Acology : Study of medical remedies
Adenology : Study of glands
Aerology : Study of the atmosphere
Agrology : Study of agricultural soils
Anesthesiology : Study of anesthetics
Anatomy : Study of the structure of living things
Anthropobiology : Study of the natural history of the human species
Anthropology : Study of humanity
Apiology : Study of bees
Arachnology : Study of spiders
Archaeology : Study of human activity in the past
Astrology : Study of influence of stars on people
Astronomy : Study of celestial bodies
Auxology : Study of growth
Barology : Study of gravitation
Bibliology : Study of books
Biology : Study of life
Botany : Study of plants
Bromatology : Study of food
Brontology : Study of thunder
Calorifics : Study of heat
Cardiology : Study of the heart
Carpology : Study of fruit
Chemistry : Study of the composition,properties and behavior of matter
Cosmology : Study of the universe
Cryptology : Study of codes
Dactylography : Study of fingerprints
Dendrology : Study of trees
Dermatology : Study of skin
Desmology : Study of ligaments
Ecology : Study of environment
Economics : Study of material wealth
Edaphology : Study of soils
Entomology : Study of insects
Floristry : Study of cultivating and selling flowers
Geoponics : Study of agriculture
Graphology : Study of handwriting
Helminthological: Study of worms
Hematology : Study of blood
Hydrogeology : Study of ground water
Hygrometry : Study of humidity
Ichthyology : Study of fish
Insectology : Study of insects
Linguistics : Study of language
Meteorology : Study of weather
Nephology : Study of clouds
Nephrology : Study of the kidneys
Numismatics : Study of coins
Odontology : Study of teeth
Oology : Study of eggs
Ophiology : Study of snakes
Ornithology : Study of birds
Orthopterology : Study of cockroaches
Osteology : Study of bones
Otology : Study of the ear
Palaeolimnology : Study of ancient fish
Pathology : Study and diagnosis of disease
Psychology : Study of mental functions and behaviors
Seismology : Study of earthquakes
Thermology : Study of heat
Vermeology : Study of worms
Xylology : Study of wood
Zoology : Study of animals