Felinology
study of cats
Arachnology
study of spiders
Zoology
structure, physiology, development, and classification of animals
Neurology
disorders of the nervous system
Gerontology
aging and problems of age
Cytology
study of plant and animal cells
Chronology
locating and resolution of temporal sequence of past events in time
Mycology
study of fungi
Pharmacology
origin, composition, and therapeutic use drugs
Theology
religious faith, practice, and experience
Toxicology
study of poison
Climatology
study of climates
Hydrology
study of water
Psychology
mental processes and behavior in humans
Oology
study of eggs
Astrology
stars' influences on human affairs
Oceanology
study of oceans
Herpetology
study of reptiles and amphibians
Biology
living organisms and vital processes
Archaeology
material remains of past human life and activities
Radiology
radioactive substances and high-energy radiations
Entomology
study of insects
Lithology
study of rocks
Dermatology
skin and related diseases
Meterology
study of weather
Ontology
study of existence
Paleontology
life of past geological periods as know from fossil remains
Pathology
study of disease
Oncology
cancer and its treatment
Cardiology
heart and its action and diseases
Ornithology
birds
Volcanology
volcanoes
Immunology
study of the immune system
Etymology
word origins
Anthropology
humans
Sociology
human social behavior
Cynology
study of dogs
Epistemology
study of knowledge
Virology
study of viruses
Audiology
hearing
Seismology
earthquakes
Ethnology
study of race (skin color)
Dendrology
study of trees
Myrmecology
study of ants
Criminology
crime
Geology
origin, history, and structure of the earth
Anesthesiology
study of anesthesia and anesthetics