| abstract | - Ονομασία, Ορισμός
* Ακαρεολογία , (acarology), study of mites
* [[ ]], (accidence), grammar book; science of inflections in grammar
* [[ ]], (aceology), therapeutics
* [[ ]], (acology), study of medical remedies
* Ακουστική , (acoustics), science of sound
* Αδενολογία , (adenology), study of glands
* Αιδοιολογία , (aedoeology), science of generative organs
* Αεροβιολογία , (aerobiology), study of airborne organisms
* [[ ]], (aerodonetics), science or study of gliding
* Αεροδυναμική , (aerodynamics), dynamics of gases; science of movement in a flow of air or gas
* Αερολιθολογία , (aerolithology), study of aerolites; meteorites
* Αερολογία, (aerology), study of the atmosphere aerophilately collecting of air-mail stamps
* Αεροστατική , (aerostatics), science of air pressure; art of ballooning
* [[ ]], (agonistics), art and theory of prize-fighting
* Αγριολογία , (agriology), the comparative study of primitive peoples
* Αγροβιολογία , (agrobiology), study of plant nutrition; soil yields
* Αγρολογία, (agrology), study of agricultural soils
* Αγρονομική , (agronomics), study of productivity of land
* Αγρωστωλογία, (agrostology), science or study of grasses
* Αληθειολογία , (alethiology), study of truth
* [[ ]], (algedonics science of pleasure and pain
* Αλγολογία, (algology), study of algae
* Αναισθησιολογία , (anaesthesiology), study of anaesthetics
* [[ ]], (anaglyptics), art of carving in bas-relief
* [[ ]], (anagraphy), art of constructing catalogues
* Ανδραγωγία , (andragogy), science of teaching adults
* Ανεμολογία, (anemology), study of winds
* Αγγελολογία , (angelology), study of angels
* Αγγειολογία, (angiology), study of blood flow and lymphatic system
* Ανθρωποβιολογία , (anthropobiology study of human biology
* Ανθρωπολογία, (anthropology), study of human cultures
* Αφνολογία , (aphnology), science of wealth
* Μελισσολογία , (apiology), study of bees
* Αραχνολογία, (arachnology), study of spiders
* Αρχαιολογία, (archaeology), study of human material remains
* Αρχελογία , (archelogy), the study of first principles
* Αρχολογία , (archology), science of the origins of government
* [[ ]], (arctophily), study of teddy bears
* Αρεολογία , (areology), study of Mars
* [[ ]], (aretaics), the science of virtue
* [[ ]], (aristology), the science or art of dining
* Αρθρολογία , (arthrology), study of joints
* Αστακολογία, (astacology), the science of crayfish
* Ασθενιολογία, (astheniology), study of diseases of weakening and aging
* Αστρογεωλογία , (astrogeology), study of extraterrestrial geology
* Αστρολογία , (astrology), study of influence of stars on people
* Αστρομετεωρολογία, (astrometeorology), study of effect of stars on climate
* Αστρονομία , (astronomy), study of celestial bodies
* Αστροφυσική , (astrophysics), study of behaviour of interstellar matter
* Αστροσεισμολογία, (astroseismology), study of star oscillations
* Ατμολογία , (atmology), the science of aqueous vapour
* Ωδολογία , (audiology), study of hearing
* Αυτοικολογία , (autecology study of ecology of one species
* Αυτολογία , (autology), scientific study of oneself
* Αυξολογία, (auxology), science of growth
* Αβιονική , (avionics), the science of electronic devices for aircraft
* Αξιολογία , (axiology), the science of the ultimate nature of values
* Βακτηριολογία , (bacteriology), study of bacteria
* [[ ]], (balneology), the science of the therapeutic use of baths
* Βαροδυναμική , (barodynamics), science of the support and mechanics of bridges
* Βαρυτολογία , (barology), study of gravitation
* [[ ]], (batology), the study of brambles
* Βιβλιολογία , (bibliology), study of books
* Βιβλιοτική , (bibliotics), study of documents to determine authenticity
* Βιοοικολογία, (bioecology), study of interaction of life in the environment
* Βιολογία , (biology), study of life
* Βιομετρική, (biometrics), study of biological measurement
* Βιονομική, (bionomics), study of organisms interacting in their environments
* Βοτανική, (botany ), study of plants
* Βρωματολογία, (bromatology), study of food
* Βροντολογία , (brontology), scientific study of thunder
* Βρυολογία , (bryology), the study of mosses and liverworts
* Κακογενική , (cacogenics), study of racial degeneration
* Καλιολογία , (caliology), study of bird's nests
* Θερμοτική , (calorifics), study of heat
* [[ ]], (cambistry), science of international exchange
* [[ ]], (campanology), the art of bell ringing
* Καρκινολογία , (carcinology), study of crabs and other crustaceans
* Καρδιολογία, (cardiology), study of the heart
* [[ ]], (caricology), study of sedges
* Καρπολογία , (carpology), study of fruit
* [[ ]], (cartophily), the hobby of collecting cigarette cards
* [[ ]], (castramentation), the art of designing a camp
* Κατακουστική, (catacoustics), science of echoes or reflected sounds
* Καταλακτική , (catalactics), science of commercial exchange
* Κατεχεκτική , (catechectics), the art of teaching by question and answer
* Κητολογία , (cetology), study of whales and dolphins
* Χαλκογραφία , (chalcography), the art of engraving on copper or brass
* Χαλκοτριπτική, (chalcotriptics), art of taking rubbings from ornamental brasses
* Χαολογία , (chaology), the study of chaos or chaos theory
* Χαρακτηρρολογία , (characterology), study of development of character
* Χημεία, (chemistry), study of properties of substances
* Χειροκοσμητική, (chirocosmetics), beautifying the hands; art of manicure
* Χειρογραφία, (chirography), study of handwriting or penmanship
* Χειρολογία , (chirology), study of the hands
* Χειροποδία, (chiropody), medical science of feet
* Χωρολογία , (chorology), science of the geographic description of anything
* Χρηματιστική , (chrematistics), the study of wealth; political economy
* Χρονοβιολογία, (chronobiology), study of biological rhythms
* Χρυσολογία , (chrysology), study of precious metals
* [[ ]], (ciselure), the art of chasing metal
* Κλιματολογία, (climatology), study of climate
* Κλινολογία , (clinology), study of aging or individual decline after maturity
* Κωδικολογία, (codicology), study of manuscripts
* Κολεοπτερολογία , (coleopterology), study of beetles and weevils
* Κομητολογία , (cometology), study of comets
* [[ ]], (conchology), study of shells
* Κοσμητολογία , (cosmetology), study of cosmetics
* Κοσμολογία , (cosmology), study of the universe
* Κρανιολογία , (craniology), study of the skull
* Εγκληματολογία , (criminology), study of crime; criminals
* Κρυοβιολογία , (cryobiology), study of life under cold conditions
* Κρυπτολογία , (cryptology), study of codes
* Κτητολογία , (ctetology), study of the inheritance of acquired characteristics
* Κυτταρολογία, (cytology) study of living cells
* Δακτυλιολογία, (dactyliology), study of rings
* Δακτυλογραφία , (dactylography), the study of fingerprints
* Δακτυλολογία , (dactylology), study of sign language
* Δελτιολογία, (deltiology), the collection and study of picture postcards
* Δεμολογία , (demology), study of human behaviour
* Δαιμονολογία, (demonology ), study of demons
* Δενδροχρονολογία, (dendrochronology), study of tree rings
* Δενδρολογία, (dendrology ), study of trees
* Δεοντολογία, (deontology), the theory or study of moral obligation
* Δερματογλυφική , (dermatoglyphics), the study of skin patterns and fingerprints
* Δερματολογία, (dermatology), study of skin
* Δεσμολογία , (desmology), study of ligaments
* Διαβολογία, (diabology), study of devils
* Διαγραφική, (diagraphics), art of making diagrams or drawings
* Διαλεκτολογία, (dialectology), study of dialects
* Διοπτρική, (dioptrics), study of light refraction
* Διπλωματική, (diplomatics), science of deciphering ancient writings and texts
* Διπλωματολογία , (diplomatology), study of diplomats
* Δοκιμολογία , (docimology), the art of assaying
* Δοσιολογία , (dosiology), the study of doses
* Δραματουργία , (dramaturgy), art of producing and staging dramatic works
* Δυσγενική , (dysgenics), the study of racial degeneration
* Δυστελεολογία , (dysteleology), study of purposeless organs
* Εκκλησιολογία , (ecclesiology), study of church affairs
* Εκκρινολογία, (eccrinology), study of excretion
* Οικολογία , (ecology), study of environment
* Οικονομία , (economics), study of material wealth
* Εδαφολογία , (edaphology), study of soils
* Αιγυπτιολογία , (Egyptology), study of ancient Egypt
* Οικιστική , (oecistics), study of human settlement
* Ηλεκτροχημεία, (electrochemistry), study of relations between electricity and chemicals
* Ηλεκτρολογία, (electrology), study of electricity
* Ηλεκτροστατική, (electrostatics), study of static electricity
* Εμβριολογία , (embryology), study of embryos
* Εμετολογία , (emetology), study of vomiting
* Εμμηνολογία, (emmenology), the study of menstruation
* Ενδημιολογία , (endemiology), study of local diseases
* Ενδοκρινολογία , (endocrinology), study of glands
* Αινιγματολογία , (enigmatology), study of enigmas
* Εντομολογία, (entomology), study of insects
* Ενδοζωολογία , (entozoology), study of parasites that live inside larger organisms
* Ενζυμολογία , (enzymology), study of enzymes
* Εφηβιατρική , (ephebiatrics), branch of medicine dealing with adolescence
* Επιδημιολογία , (epidemiology), study of diseases; epidemics
* Επιστημολογία, (epistemology), study of grounds of knowledge
* Ερημολογία , (eremology), study of deserts
* Εργολογία, (ergology), study of effects of work on humans
* Εργονομία , (ergonomics), study of people at work
* Διαφυγολογία , (escapology), study of freeing oneself from constraints
* Εσχατολογία , (eschatology), study of death; final matters
* Εθνογενική , (ethnogeny), study of origins of races or ethnic groups
* Εθνολογία , (ethnology), study of cultures
* Εθνομεθοδολογία, (ethnomethodology), study of everyday communication
* Εθνομουσικολογία, (ethnomusicology), study of comparative musical systems
* Ηθολογία , (ethology), study of natural or biological character
* Ηθονομική, (ethonomics), study of economic and ethical principles of a society
* Αιτιολογία, (etiology), the science of causes; especially of disease
* Ετυμολογία , (etymology), study of origins of words
* Ευθενική , (euthenics), science concerned with improving living conditions
* Εξωβιολογία , (exobiology), study of extraterrestrial life
* Ανθοκομία, (floristry), the art of cultivating and selling flowers
* Ποταμολογία , (fluviology), study of watercourses
* Μελλοντολογία, (futurology), study of future
* Απορριματολογία , (garbology), study of garbage
* Γαστρεντολογία , (gastroenterology), study of stomach; intestines
* Γαστρονομία , (gastronomy), study of fine dining
* [[ ]], (gemmology), study of gems and jewels
* Γενεαλογία, (genealogy), study of descent of families
* Γενεσιολογία , (genesiology), study of reproduction and heredity
* Γενεθλιολογία , (genethlialogy), the art of casting horoscopes
* Γεωχημεία , (geochemistry), study of chemistry of the earth's crust
* Γεωχρονολογία, (geochronology), study of measuring geological time
* Γεωγενική, (geogeny), science of the formation of the earth's crust
* Γεωγονία , (geogony), study of formation of the earth
* Γεωγραφία, (geography), study of surface of the earth and its inhabitants
* Γεωλογία , (geology), study of earth's crust
* Γεωμορφογενική, (geomorphogeny), study of the origins of land forms
* Γεωπονική , (geoponics), study of agriculture
* Γεωτεχνική, (geotechnics), study of increasing habitability of the earth
* Γηρατολογία, (geratology), study of decadence and decay
* Γηροκομική , (gerocomy), study of old age
* Γεροντολογία, (gerontology), study of the elderly; aging
* Γιγαντολογία , (gigantology), study of giants
* Παγετωνολογία , (glaciology study of ice ages and glaciation
* Γλωσσολογία, (glossology), study of language; study of the tongue
* Γλυπτογραγία , (glyptography), the art of engraving on gems
* Γλυπτολογία, (glyptology), study of gem engravings
* Γνωμονική , (gnomonics), the art of measuring time using sundials
* Γνωσιολογία, (gnosiology), study of knowledge
* Γνωτοβιολογία , (gnotobiology), study of life in germ-free conditions
* Γραμινολογία , (graminology study of grasses
* Γραμματολογία, (grammatology study of systems of writing
* Γραφημική , (graphemics), study of systems of representing speech in writing
* Γραφολογία, (graphology), study of handwriting
* Δημοσκοπική, (gromatics ), science of surveying
* Γυναικολογία , (gynaecology), study of women’s physiology
* Γυροστατική , (gyrostatics), the study of rotating bodies
* Αγιολογία , (hagiology), study of saints
* Αλιευτική , (halieutics), study of fishing
* Αμαρτολογία, (hamartiology), study of sin
* Αρμονική, (harmonics), study of musical acoustics
* Ηδονική , (hedonics), part of ethics or psychology dealing with pleasure
* Ελκολογία, (helcology), study of ulcers
* Ηλιολογία , (heliology), science of the sun
* Ελμινθολογία , (helminthology), study of worms
* Αιματολογία , (hematology), study of blood
* Εορτολογία , (heortology), study of religious feasts
* Ηπατολογία , (hepatology), study of liver
* Οικοσημολογία, (heraldry), study of coats of arms
* Αιρεσιολογία, (heresiology), study of heresies
* Ερπετολογία, (herpetology), study of reptiles and amphibians
* Ιερολογία, (hierology), science of sacred matters
* Ιππιατρική, (hippiatrics), study of diseases of horses
* Ιππολογία , (hippology), the study of horses
* Ιστολογία , (histology), study of the tissues of organisms
* Ιστοριογραφία, (historiography study of writing history
* Ιστοριολογία, (historiology), study of history
* [[ ]], (homiletics), the art of preaching
* Οπλολογία , (hoplology), the study of weapons
* Ωρογραφία , (horography), art of constructing sundials or clocks
* Ωρολογία , (horology), science of time measurement
* [[ ]], (horticulture), study of gardening
* Υδροβιολογία , (hydrobiology), study of aquatic organisms
* Υδροδυναμική , (hydrodynamics), study of movement in liquids
* Υδρογεωλογία, (hydrogeology), study of ground water
* Υδρογραφία, (hydrography), study of investigating bodies of water
* Υδροκινητική , (hydrokinetics), study of motion of fluids
* Υδρολογία , (hydrology), study of water resources
* Υδρομετεωρολογία , (hydrometeorology), study of atmospheric moisture
* Υδροπαθητική, (hydropathy), study of treating diseases with water
* Υετολογία, (hyetology), science of rainfall
* Υγειαστική, (hygiastics), science of health and hygiene
* Υγειενική , (hygienics), study of sanitation; health
* Υγειολογία, (hygiology), hygienics; study of cleanliness
* Υγρολογία, (hygrology), study of humidity
* Υγρομετρία, (hygrometry), science of humidity
* Υμνογραφία, (hymnography), study of writing hymns
* Υμνολογία, (hymnology), study of hymns
* Υπνολογία, (hypnology), study of sleep; study of hypnosis
* Υψογραφία, (hypsography), science of measuring heights
* Ιαματολογία , (iamatology), study of remedies
* Ιατρομαθηματικά , (iatromathematics), archaic practice of medicine in conjunction with astrology
* Ιχνογραφία , (ichnography), art of drawing ground plans
* Ιχνολογία, (ichnology), science of fossilized footprints
* Ιχθυολογία , (ichthyology), study of fish
* Εικονογραφία , (iconography), study of drawing symbols
* Εικονολογία , (iconology), study of icons; symbols
* Ιδεογενική, (ideogeny), study of origins of ideas
* Ιδιωματολογία , (idiomology), study of idiom, jargon or dialect
* Ανοσογενετική, (immunogenetics), study of genetic characteristics of immunity
* Ανοσολογία, (immunology), study of immunity
* Ανοσοπαθολογία , (immunopathology), study of immunity to disease
* Εντομολογία , (insectology), study of insects
* Ειρηνολογία , (irenology ), the study of peace
* Ιριδολογία , (iridology ), study of iris
* Καλολογία , (calology), study of beauty
* Καρυολογία , (caryology), study of cell nuclei
* [[ ]], (kidology study of kidding
* Κινηματική, (kinematics), study of motion
* Κινησική , (kinesics), study of gestural communication
* Κινησιολογία , (kinesiology), study of human movement and posture
* Κινητική , (kinetics), study of forces producing or changing motion
* Κονιολογία , (koniology), study of atmospheric pollutants and dust
* Κτεινολογία, (ktenology science of putting people to death
* Κυματολογία , (cymatology), study of wave motion
* [[ ]], (labeorphily), collection and study of beer bottle labels
* Λαριθμική , (larithmics), study of population statistics
* Λαρυγγολογία , (laryngology), study of larynx
* Λεπιδοπτερολογία , (lepidopterology), study of butterflies and moths
* Λεπρολογία , (leprology), study of leprosy
* Λεξικολογία, (lexicology), study of words and their meanings
* Λεξιγραφία, (lexigraphy), art of definition of words
* Λειχηνολογία , (lichenology), study of lichens
* [[ ]], (limacology study of slugs
* Λιμνοβιολογία , (limnobiology), study of freshwater ecosystems
* Λιμνολογία , (limnology study of bodies of fresh water
* Γλωσσολογία , (linguistics), study of language
* Λιθολογία, (lithology), study of rocks
* Λειτουργιολογία , (liturgiology), study of liturgical forms and church rituals
* Λοιμωξολογία, (loimology), study of plagues and epidemics
* [[ ]], (loxodromy), study of sailing along rhumb-lines
* Μαγειρική , (magirics), art of cookery
* [[ ]], (magnanerie ), art of raising silkworms
* [[ ]], (magnetics), study of magnetism
* Μαλακιολογία, (malacology), study of molluscs
* Μαλαριολογία , (malariology), study of malaria
* Θηλαστικολογία, (mammalogy), study of mammals
* [[ ]], (manège), the art of horsemanship
* Μαρτυρολογία , (martyrology), study of martyrs
* Θηλαστικολογία , (mastology study of mammals
* Μαθηματικά , (mathematics study of magnitude, number, and forms
* Μηχανική, (mechanics study of action of force on bodies
* [[ ]], (meconology study of or treatise concerning opium
* Μελισσολογία , (melittology study of bees
* Μερολογία , (mereology study of part-whole relationships
* Μεσολογία, (mesology ecology
* Μεταλλογενική, (metallogeny study of the origin and distribution of metal deposits
* Μεταλλογραφία, (metallography study of the structure and constitution of metals
* Μεταλλουργία, (metallurgy study of alloying and treating metals
* Μεταφυσική , (metaphysics study of principles of nature and thought
* Μεταπολιτική, (metapolitics study of politics in theory or abstract
* Μεταψυχολογία, (metapsychology study of nature of the mind
* Μετεωριτική, (meteoritics the study of meteors
* Μετεωρολογία, (meteorology study of weather
* Μετρική , (metrics study of versification
* Μετρολογία, (metrology science of weights and measures
* Μικροανατομία, (microanatomy study of microscopic tissues
* Μικροβιολογία, (microbiology study of microscopic organisms
* Μικροκλιματολογία, (microclimatology study of local climates
* Μικρολογία, (micrology study or discussion of trivialities
* Μικροπαλαιοντολογία , (micropalaeontology study of microscopic fossils
* Μικροφυτολογία , (microphytology study of very small plant life
* Μεταλλειολογία , (mineralogy study of minerals
* Μυλολογία, (molinology study of mills and milling
* Μομμιολογία , (momilogy study of mummies
* Μορφολογία , (morphology study of forms and the development of structures
* Βρυολογία, (muscology the study of mosses
* Μουσειολογία, (museology the study of museums
* Μουσικολογία , (musicology study of music
* Μυκητολογία , (mycology study of funguses
* Μυολογία , (myology study of muscles
* Μυρμηκολογία , (myrmecology study of ants
* Μυθολογία, (mythology study of myths; fables; tales
* Ναολογία , (naology study of church or temple
* Αρχιτεκτονική , (architecture
* [[ ]], (nasology study of the nose
* Ναυτική, (nautics art of navigation
* Νηματολογία, (nematology the study of nematodes
* Νεογνολογία , (neonatology study of newborn babies
* Νεοσσολογία, (neossology study of nestling birds
* Νεφολογία , (nephology study of clouds
* Νεφρολογία , (nephrology study of the kidneys
* Νευροβιολογία , (neurobiology study of anatomy of the nervous system
* Νευρολογία , (neurology study of nervous system
* Νευροφυσιολογία, (neuropsychology study of relation between brain and behaviour
* Νευροϋπνωλογία , (neurypnology study of hypnotism
* Φωλεολογία , (nidology), study of nests
* [[ ]], (nomology), the science of the laws; especially of the mind
* Νοολογία , (noology), science of the intellect
* Νοσολογία , (nosology), study of diseases
* Νοστολογία , (nostology), study of senility
* [[ ]], (notaphily ), collecting of bank-notes and cheques
* Αριθμολογία , (numerology), study of numbers
* Νομισματική , (numismatics), study of coins
* Νυμφολογία, (nymphology ), study of nymphs
* Μαιευτική , (obstetrics), study of midwifery
* Ωκεανογραφία , (oceanography), study of oceans
* Ωκεανολογία , (oceanology), study of oceans
* [[ ]], (odology), science of the hypothetical mystical force of od
* Οδοντολογία , (odontology), study of teeth
* Οινπλογία, (oenology), study of wines
* Οικολογία , (oicology), science of housekeeping
* Οσφρητολογία, (olfactology), study of the sense of smell
* Ομβρολογία , (ombrology), study of rain
* Ογκολογία, (oncology), study of tumours
* Ονειρολογία, (oneirology), study of dreams
* Ονομασιολογία, (onomasiology), study of nomenclature
* Ονομαστική, (onomastics), study of proper names
* Οντολογία , (ontology science of pure being; the nature of things
* Ωολογία , (oology study of eggs
* Οφιολογία, (ophiology study of snakes
* Οφθαλμολογία , (ophthalmology study of eye diseases
* Οπτική , (optics study of light
* Οπτολογία , (optology study of sight
* Οπτομετρία, (optometry science of examining the eyes
* [[ ]], (orchidology study of orchids
* Ορνιθολογία , (ornithology study of birds
* Ουρολογία , (orology study of mountains
* [[ ]], (orthoepy study of correct pronunciation
* Ορθογραφία, (orthography study of spelling
* Ορθοπτερολογία, (orthopterology study of cockroaches
* Ορυκτολογία , (oryctology), mineralogy or paleontology
* Οσμητική , (osmics), scientific study of smells
* Οσμολογία, (osmology), study of smells and olfactory processes
* Οσφρησιολογία, (osphresiology), study of the sense of smell
* Οστεολογία , (osteology), study of bones
* Ωτολογία , (otology), study of the ear
* Ωτορινολαρυγγολογία , (otorhinolaryngology ), study of ear, nose and throat
* Παιδολογία, (paedology), study of children
* [[ ]], (paedotrophy), art of rearing children
* Παιδονοσολογία , (paidonosology), study of children's diseases; pediatrics
* Παλαιοανθρωπολογία , (palaeoanthropology), study of early humans
* Παλαιοβιολογία, (palaeobiology), study of fossil plants and animals
* Παλαιοκλιματολογία, (palaeoclimatology ), study of ancient climates
* Παλαιολιμνολογία, (palaeolimnology), study of ancient lakes
* [[ ]], (palaeolimnology), study of ancient fish
* Παλαιοντολογία , (palaeontology ), study of fossils
* [[ ]], (palaeopedology), study of early soils
* Παλαιοβοτανική, (paleobotany), study of ancient plants
* Παλαιοστολογία, (paleo-osteology ), study of ancient bones
* [[ ]], (palynology), study of pollen
* Παπυρολογία , (papyrology ), study of paper
* Παραψυχολογία, (parapsychology), study of unexplained mental phenomena
* Παρασιτολογία, (parasitology), study of parasites
* Παροιμιολογία , (paroemiology), study of proverbs
* Παραφυσική , (paraphysics), the science of imaginary solutions
* Παθολογία , (pathology), study of disease
* Πατρολογία , (patrology), study of early Christianity
* Παιδαγωγική , (pedagogics), study of teaching
* [[ ]], (pedology study of soils
* Ιλυολογία , (pelology study of mud
* Ποινολογία , (penology study of crime and punishment
* Περιοδοντολογία, (periodontics study of gums
* [[ ]], (peristerophily pigeon-collecting
* [[ ]], (pestology science of pests
* Πετρολογία, (petrology study of rocks
* [[ ]], (pharmacognosy study of drugs of animal and plant origin
* Φαρμακολογία, (pharmacology study of drugs
* Φαρολογία , (pharology), study of lighthouses
* Φαρυγγολογία , (pharyngology), study of the throat
* Φαινολογία , (phenology), study of organisms as affected by climate
* Φαινομενολογία, (phenomenology ), study of phenomena
* [[ ]], (philately), study of postage stamps
* [[ ]], (philematology), the act or study of kissing
* [[ ]], (phillumeny), collecting of matchbox labels
* Φιλογλογία, (philology), study of ancient texts; historical linguistics
* Φωνιατρική , (phoniatrics), study and correction of speech defects
* Φωνολογία , (phonology), study of speech sounds
* Φωτοβιολογία, (photobiology), study of effects of light on organisms
* Φρασεολογία, (phraseology), study of phrases
* Φρενολογία , (phrenology ), study of bumps on the head
* Φυκολογία, (phycology), study of algae and seaweeds
* Φυσική, (physics), study of properties of matter and energy
* Φυσιολογία , (physiology ), study of processes of life
* Φυτολογία , (phytology), study of plants; botany
* Ιχθυολογία , (piscatology), study of fishes
* Πιστεολογία , (pisteology ), science or study of faith
* Πλανητολογία, (planetology), study of planets
* Πλουτολογία, (plutology), political economy; study of wealth
* [[ ]], (pneumatics), study of mechanics of gases
* [[ ]], (podiatry), study and treatment of disorders of the foot; chiropody
* [[ ]], (podology), study of the feet
* Πολεμολογία, (polemology study of war
* [[ ]], (pomology), study of fruit-growing
* Ποσολογία , (posology ), science of quantity or dosage
* Παταμολογία, (potamology), study of rivers
* Πραξεολογία , (praxeology), study of practical or efficient activity; science of efficient action
* Πρωτευοντολογία , (primatology study of primates
* [[ ]], (proctology), study of rectum
* [[ ]], (prosody), study of versification
* Πρωτιστολογία , (protistology study of protists
* Προξεμική, (proxemics), study of man’s need for personal space
* Ψαλλιγραφία , (psalligraphy), the art of paper-cutting to make pictures
* Ψηφολογία , (psephology), study of election results and voting trends
* Ψευδολογία, (pseudology), art or science of lying
* Ψευδοπτική , (pseudoptics), study of optical illusions
* Ψυχοβιολογία, (psychobiology), study of biology of the mind
* Ψυχογενετική, (psychogenetics), study of internal or mental states
* Ψυχογνωσία , (psychognosy), study of mentality, personality or character
* Ψυχολογία , (psychology), study of mind
* Ψυχοπαθοπλογία , (psychopathology), study of mental illness
* Ψυχοφυσική , (psychophysics), study of link between mental and physical processes
* Πτεριδολογία , (pteridology), study of ferns
* [[ ]], (pterylology), study of distribution of feathers on birds
* Πυρετολογία , (pyretology), study of fevers
* Πυργολογία , (pyrgology), study of towers
* [[ ]], (pyroballogy), study of artillery
* Πυρογραφία , (pyrography), study of woodburning
* [[ ]], (quinology, study of quinine
* Ειδολογία , (raciology), study of racial differences
* Ραδιολογία, (radiology study of X-rays and their medical applications
* Ρεφλεξιολογία , (reflexology study of reflexes
* Ραβδολογία , (rhabdology art of calculating using numbering rods
* Ρεολογία , (rheology science of the deformation or flow of matter
* Ρευματολογία, (rheumatology study of rheumatism
* Ρινολογία , (rhinology study of the nose
* Ροχρηματική , (rhochrematics science of inventory management and the movement of products
* Ρουνολογία, (runology study of runes
* Σαρκολογία , (sarcology study of fleshy parts of the body
* Σατανολογία , (satanology study of devil
* [[ ]], (scatology study of excrement or obscene literature
* [[ ]], (schematonics art of using gesture to express tones
* Σκιαγραφία, (sciagraphy art of shading
* [[ ]], (scripophily collection of bond and share certificates
* Ιζηματολογία, (sedimentology study of sediment
* Σεισμολογία, (seismology study of earthquakes
* Σεληνοδαισία , (selenodesy), study of the shape and features of the moon
* Σεληνολογία , (selenology), study of the moon semantics study of meaning
* [[ ]], (semantology), science of meanings of words
* Σημασιολογία, (semasiology study of meaning; semantics
* Σημειολογία, (semiology study of signs and signals
* Σημειωτική , (semiotics), study of signs and symbols
* [[ ]], (serology), study of serums
* Σεξολογία , (sexology), study of sexual behaviour
* Σιδηρογραφία, (siderography), art of engraving on steel
* [[ ]], (sigillography ), study of seals
* [[ ]], (significs), science of meaning
* Σιλβική , (silvics), study of tree's life
* Σινολογία , (Sinology ), study of China
* Σιτολογία , (sitology), dietetics
* Κοινωνιοβιολογία , (sociobiology), study of biological basis of human behaviour
* Κοινωνιολογία , (sociology), study of society
* Σωματολογία, (somatology science of the properties of matter
* Σοφιολογία , (sophiology science of ideas
* Σωτηριολογία , (soteriology study of theological salvation
* Φαντασματολογία , (spectrology study of ghosts
* Σπηλαιολογία , (speleology study and exploration of caves
* Σπερμολογία , (spermology study of seeds
* [[ ]], (sphagnology study of peat moss
* Σφραγιστική , (sphragistics study of seals and signets
* Σφυγμολογία , (sphygmology study of the pulse
* Σπλαχνολογία , (splanchnology study of the entrails or viscera
* Σπογγολογία, (spongology study of sponges
* Στασιολογία , (stasiology study of political parties
* Στατική , (statics study of bodies and forces in equilibrium
* [[ ]], (stemmatology study of relationships between texts
* Στοιχιολογία , (stoichiology science of elements of animal tissues
* Στοματολογία , (stomatology study of the mouth
* [[ ]], (storiology study of folk tales
* Στρωματογραφία , (stratigraphy study of geological layers or strata
* Στρατογραφία , (stratography art of leading an army
* Στυλομετρία, (stylometry studying literature by means of statistical analysis
* [[ ]], (suicidology study of suicide
* Συμβολογία , (symbology study of symbols
* Συμπτωματολογία , (symptomatology study of symptoms of illness
* Συνοικολογία, (synecology study of ecological communities
* Συνεκτική , (synectics study of processes of invention syntax study of sentence structure
* [[ ]], (syphilology study of syphilis
* Σστηματολογία , (systematology study of systems
* [[ ]], (taxidermy art of curing and stuffing animals
* Τεκτονική, (tectonics science of structure of objects, buildings and landforms
* [[ ]], (tegestology study and collecting of beer mats
* Τελεολογία , (teleology study of final causes; analysis in terms of purpose
* Τελματολογία, (telmatology study of swamps
* Τερατολογία , (teratology study of monsters, freaks, abnormal growths or malformations
* Τευθολογία, (teuthology study of cephalopods
* [[ ]], (textology study of the production of texts
* Θαλασσογραφία , (thalassography science of the sea
* Θανατολογία , (thanatology study of death and its customs
* Θαυματολογία , (thaumatology study of miracles
* Θεολογία , (theology study of religion; religious doctrine
* [[ ]], (theriatrics veterinary medicine
* Θηριογενολογία , (theriogenology study of animals' reproductive systems
* Θερμοδυναμική, (thermodynamics study of relation of heat to motion
* Θερμικινητική , (thermokinematics study of motion of heat
* Θερμολογία , (thermology study of heat
* Θηριολογία , (therology study of wild mammals
* [[ ]], (thremmatology science of breeding domestic animals and plants
* Θρεψολογία, (threpsology science of nutrition
* [[ ]], (tidology study of tides
* [[ ]], (timbrology study of postage stamps
* [[ ]], (tocology obstetrics; midwifery
* Τονοτική , (tonetics study of pronunciation
* Τοπολογία , (topology study of places and their natural features
* [[ ]], (toponymics study of place-names
* [[ ]], (toreutics study of artistic work in metal
* Τοξικολογία , (toxicology study of poisons
* [[ ]], (toxophily love of archery; archery; study of archery
* Τραυματολογία , (traumatology study of wounds and their effects
* Τριβολογία , (tribology study of friction and wear between surfaces
* Τριχολογία , (trichology study of hair and its disorders
* Τροφολογία , (trophology study of nutrition
* [[ ]], (tsiganology study of gypsies
* [[ ]], (turnery art of turning in a lathe
* [[ ]], (typhlology study of blindness and the blind
* Τυπογραφία, (typography art of printing or using type
* Τυπολογία , (typology study of types of things
* Ουφολογία , (ufology study of alien spacecraft
* Ουρανογραφία, (uranography descriptive astronomy and mapping
* Ουρανολογία , (uranology study of the heavens; astronomy
* Πολεολογία , (urbanology study of cities
* [[ ]], (urenology study of rust molds
* Ουρολογία , (urology study of urine; urinary tract
* [[ ]], (venereology study of venereal disease
* [[ ]], (vermeology study of worms
* [[ ]], (vexillology study of flags
* [[ ]], (victimology study of victims
* Οινολογία, (vinology scientific study of vines and winemaking
* Ιολογία, (virology study of viruses
* Βιτρική, (vitrics glassy materials; glassware; study of glassware
* Σεισμολογία, (vulcanology study of volcanoes
* Ξυλογραφία, (xylography art of engraving on wood
* Ξυλολογία , (xylology study of wood
* Ζευολογία, (zenography study of the planet Jupiter
* [[ ]], (zoiatrics veterinary surgery
* Ζωογεγραφία , (zoogeography study of geographic distribution of animals
* Ζωολογία , (zoology study of animals
* Ζωονομία, (zoonomy animal physiology
* Ζωοπαθολογία , (zoopathology study of animal diseases
* Ζωοφυσιολογία , (zoophysiology study of physiology of animals
* [[ ]], (zoophytology study of plant-like animals
* Ζωωοταξία , (zootaxy science of classifying animals
* Ζωοτεχνική , (zootechnics science of breeding animals
* [[ ]], (zygology science of joining and fastening
* Ζυμολογία , (zymology science of fermentation
* [[ ]], (zymurgy branch of chemistry dealing with brewing and distilling
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