| Discipline | Study of |
|---|
| Acarology | Mites & Ticks |
| Accounting | Financial Measurement |
| Aerology | Air Flow |
| Aetiology | Causes of Disease |
| Agronomy | Soil |
| Agrostology | Grasses |
| Alchemy | Form Change & Transmutation of Matter |
| Algology | Algae |
| Algorology | Algorithm Design & Analysis |
| Allopathy | Conventional Medicine |
| Andrology | Male Health |
| Anemology | Wind |
| Anesthesiology | Anesthesia |
| Angiology | Blood Vessels |
| Anthropology | Humans |
| Apiology | Bees |
| Arachnology | Spiders |
| Archaeology | Ancient Cultures |
| Architecture | Building Design |
| Art | Creative Expression |
| Astacology | Crayfish |
| Astrobiology | Extraterrestrial Life |
| Astrology | Star Movement & Celestial Influences |
| Astronomy | Stars & Celestial Objects |
| Audiology | Hearing & Sound |
| Autecology | Species Ecology |
| Autobiography | Oneself & Self Life Stories |
| Ayurveda | Life & Traditional Indian Medicine |
| Axiology | Principles & Value Systems |
| Bacteriology | Bacteria |
| Barology | Weight |
| Batology | Brambles |
| Bibliography | Books & Written Works |
| Biography | a Person & Individual Life Stories |
| Biology | Life |
| Bryology | Mosses |
| Business | Commercial Activity |
| Campanology | Bells |
| Cardiology | Heart |
| Cariology | Dental Decay |
| Carpology | Fruits & Seeds |
| Cartography | Maps |
| Cetology | Whales & Aquatic Mammals |
| Chinese Medicine | Traditional Healing |
| Chiropractic | Spinal Manipulation |
| Cholangiography | Bile Ducts |
| Chromatology | Colors |
| Chronology | Dates & Time Measurement |
| Climatology | Climate |
| Coding | Computer Programming |
| Cognitology | Cognitive Processes & Intelligence |
| Coleopterology | Beetles & Weevils |
| Computer Science | Computers & Computation Systems |
| Conchology | Shells |
| Cosmetology | Beauty Treatments |
| Cosmology | Universe |
| Craniology | Skulls |
| Criminology | Crime |
| Cryology | Ice & Snow |
| Cryptography | Secret Codes |
| Cryptology | Codes |
| Cryptozoology | Hidden Animals |
| CSS | Web Styling |
| Cybernetics | Control Systems in Organisms & Machines |
| Cynology | Dogs |
| Cytology | Cells |
| Dactylology | Fingerprints |
| Database/CMS | Data Systems |
| Deltiology | Postcards |
| Demography | Populations |
| Dendrochronology | Tree Rings |
| Dendrology | Trees |
| Deontology | Moral Duty |
| Dermatology | Skin |
| Dictionary | Word Definitions |
| Discography | Music Recordings |
| Dipterology | Flies |
| Ecclesiology | Church |
| Ecology | Home & Ecosystems & Environmental Interactions |
| Econometrics | Economic Data |
| Economy | Measure of the Home, Production & Consumption |
| Ecosystemology | Living Systems |
| Edaphology | Soil Effects on Life |
| Education | Learning |
| Egyptology | Ancient Egypt |
| Embryology | Unborn & Embryo Development |
| Endocrinology | Glands |
| Engineering | Applied Science |
| Enterology | Intestines |
| Entomology | Insects |
| Enzymology | Enzymes |
| Epidemiology | Illness & Disease Spread |
| Epistemology | Knowledge |
| Eschatology | Death, Judgement, Afterlife & End Times |
| Ethnobiology | Life about Certain People & Cultural Biology |
| Ethnobotany | Cultural Plants & Healing |
| Ethnochoreology | Dance in Cultures |
| Ethnography | Measure of People & Cultural Documentation |
| Ethnology | Cultural Heritage & Comparison |
| Ethology | Animal Behavior |
| Etiology | Causation of Phenomena |
| Etymology | Word Origins |
| Exobiology | Alien Life |
| Exogeology | Extraterrestrial Geology |
| Felinology | Cats |
| Feng Shui | Wind & Water & Energy Flow in Spaces |
| Fetology | Fetal Development |
| Film | Cinema |
| Floristry | Flowers & Arrangement |
| Fluviology | Rivers |
| Folkloristics | Folklore |
| Gaming | Gameplay |
| Gastroenterology | Stomach & Digestive System |
| Gastrology | Stomach & Digestion |
| Gemology | Gems |
| Genealogy | Ancestry & Family History |
| Geobiology | Earth-Life Interactions |
| Geography | Measure of the Earth & Earth’s Features |
| Geology | Earth |
| Geometry | Shapes & Spaces |
| Geomorphology | Landform Evolution |
| Gerontology | Aging |
| Glaciology | Glaciers |
| Grammatology | Writing Systems |
| Graphics | Visual Design |
| Graphology | Handwriting |
| Gynecology | Women & Female Reproductive System |
| Heliology | Sun |
| Heliophysics | Sun Physics |
| Helminthology | Parasitic Worms |
| Hematology | Blood |
| Hepatology | Liver |
| Herbology | Herbs & Medicinal Plants |
| Herpetology | Reptiles & Amphibians |
| Heuristics | Discovery & Problem-Solving Methods |
| Hippology | Horses |
| Histology | Tissues |
| Histopathology | Diseased Tissues |
| History | Past Events |
| Homeopathy | Alternative Medicine |
| Horticulture | Gardening |
| HTML | Web Markup Language |
| Hydrobiology | Aquatic Life |
| Hydrology | Water |
| Hydrometry | Water Flow & Properties |
| Hypnology | Sleep |
| Hypsography | Earth Surface & Terrain Elevation |
| Ichnology | Fossil Tracks |
| Ichthyology | Fish |
| Ideology | Ideas & Belief Systems |
| Immunology | Immune System |
| Information Science | Data Management |
| Iridology | Iris |
| Jurisprudence | Law & Legal Systems |
| Karyology | Cell Nuclei |
| Kymatology | Wave Motion |
| Kinesiology | Movement |
| Laryngology | Throat |
| Lepidopterology | Butterflies & Moths |
| Lexicology | Word Formation |
| Linguistics | Language |
| Limnology | Lakes & Freshwater Life |
| Lithology | Rock Characteristics |
| Ludology | Games |
| Lymphology | Lymphatic System |
| Magic | Supernatural Practices |
| Malacology | Mollusks |
| Mammalogy | Mammals |
| Math | Numbers & Quantities |
| Medical Terminology | Medical Words & Language |
| Medicine | Health & Disease |
| Metaphysics | Fundamental Reality |
| Meteorology | Weather & Climate |
| Methodology | Research Methods |
| Microbiology | Small Life & Microorganisms |
| Mineralogy | Minerals |
| Morphology | Form & Structure (of Organisms) |
| Multimedia | Digital Content |
| Musicology | Music |
| Mycology | Fungi |
| Myology | Muscles |
| Myrmecology | Ants |
| Nanobiology | Biological Nanostructures |
| Nanotechnology | Molecular Engineering |
| Nematology | Nematodes |
| Neology | New |
| Neonatology | Newborns |
| Nephology | Clouds |
| Nephrology | Kidneys |
| Neurology | Brain & Nervous System |
| Neuropathology | Nervous System Diseases |
| Neuropsychology | Brain-Behavior Links |
| Nosology | Disease Classification |
| Numerology | Numbers & Mystical Numbers |
|
| Nutriology | Nutrition, Food & Health |
| Oceanology | Oceans |
| Odonatology | Dragonflies & Damselflies |
| Odontology | Teeth |
| Ology | Study |
| Oncology | Tumors & Cancer |
| Oology | Eggs |
| Ophiology | Snakes |
| Ophthalmology | Eyes |
| Ornithology | Birds |
| Orology | Mountains |
| Osteology | Bones |
| Osteopathy | Musculoskeletal System |
| Otolaryngology | Ear & Throat |
| Otology | Ears |
| Paleoanthropology | Ancient Humans & Human-like Creatures |
| Paleobiology | Ancient Life |
| Paleoclimatology | Ancient Climates |
| Paleoecology | Ancient Ecosystems |
| Paleontology | Fossils |
| Paleozoology | Ancient Animals |
| Palynology | Pollen & Spores |
| Parapsychology | Abnormal & Paranormal Phenomena |
| Parasitology | Parasites |
| Pathology | Diseases |
| Pedology | Soils |
| Pestology | Pests |
| Petrology | Rocks |
| Phantomology | Supernatural Beings |
| Pharmacology | Drugs |
| Pharyngology | Pharynx & Throat |
| Phenology | Seasonal Cycles & Periodic Biological Phenomena |
| Phenomenology | Conscious Experiences & Phenomenons |
| Philology | Historical Language & Texts |
| Philosophy | Love of Wisdom & Fundamental Questions |
| Phonetics | Speech Sounds |
| Phonology | Speech Sounds & Systems |
| Phraseology | Phrases & Expressions & Idioms |
| Phrenology | Skull |
| Phycology | Algae |
| Physical Anthropology | Human Characteristics & Evolution |
| Physics | Matter & Energy |
| Physiology | Natural Organisms’ Characteristics & Body Functions |
| Phytology / Botany / Horticulture | Plants |
| Phytosociology | Plant Charactistics, Relationships & Communities |
| Planetology | Planetary Bodies |
| Planning | Strategic Development |
| Political Science | Politics & Government Systems |
| Pomology | Fruit |
| Potamology | Rivers |
| Primatology | Primates |
| Proctology | Rectum |
| Pronunciation | Speech Articulation |
| Psychology | Mind & Behavior |
| Psychopathology | Mental Disorders |
| Psychopharmacology | Drugs & Behavior |
| Pulmonology | Lungs |
| Pyrology | Fire |
| Radiology | High Energy Radiation & Medical Imaging |
| Reflexology | Reflexes |
| Rheology | Material Flow |
| Rheumatology | Joints |
| Rhinology | Noses |
| Roots | Word Origins |
| Sarcology | Fleshy Tissues |
| Scatology | Excrement |
| Scientology | Knowledge |
| Seismology | Earthquakes |
| Selenology | Moon |
| Serology | Blood Serum |
| Sexology | Sexual Behavior |
| Sinology | China |
| Sociobiology | Social Evolution |
| Sociology | Groups & Society |
| Somnology | Sleep |
| Somatology | Human Body Characteristics |
| Speleology | Caves |
| Spirituality | Transcendental Experience |
| Splanchnology | Viscera |
| Sports | Athletic Activities |
| Stemmatology | Textual Lineage |
| Stomatology | Mouth |
| Storiology | Stories & Legends |
| Symbology | Symbols |
| Tautology | Redundant Statements |
| Taxonomy | Classification Systems |
| Technology | Applied Science |
| Teleology | Purpose |
| Terminology | Specialized Vocabulary |
| Teratology | Monsters |
| Thanatology | Death |
| Theology | Gods & Religions |
| Tomography | Cross-Sections |
| Topography | Surface Features |
| Topology | Geometric Properties, Characteristics & History of Places |
| Toxicology | Poisons |
| Traumatology | Injuries |
| Tribology | Friction & Lubrication |
| Trichology | Hair |
| Tropical Biology | Tropical Life |
| Typology | Classification |
| Ufology | UFOs |
| Urbanology | Cities |
| Urology | Urinary System |
| Vaccinology | Vaccines |
| Venereology | Venereal Diseases |
| Vermeology | Worms |
| Vexillology | Flags |
| Virology | Viruses |
| Vocabulary | Word Collections |
| Vulcanology | Volcanoes |
| Xylology | Wood |
| Zoology | Animals |
| Zoonosology | Animal Diseases |
| Zoopathology | Animal Pathology |
| Zymology | Fermentation |
