| Ecclesiology |
Study of church affairs |
| Eccrinology |
Study of excretion |
| Ecology |
Study of environment |
| Economics |
Study of material wealth |
| Edaphology |
Study of soils |
| Egyptology |
Study of ancient egypt |
| Ekistics |
Study of human settlement |
| Electrochemistry |
Study of relations between electricity and chemicals |
| Electrology |
Study of electricity |
| Electrostatics |
Study of static electricity |
| Embryology |
Study of embryos |
| Emetology |
Study of vomiting |
| Emmenology |
The study of menstruation |
| Endemiology |
Study of local diseases |
| Endocrinology |
Study of glands |
| Enigmatology |
Study of enigmas |
| Entomology |
Study of insects |
| Entozoology |
Study of parasites that live inside larger organisms |
| Enzymology |
Study of enzymes |
| Ephebiatrics |
Branch of medicine dealing with adolescence |
| Epidemiology |
Study of diseases; epidemics |
| Epileptology |
Study of epilepsy |
| Epistemology |
Study of grounds of knowledge |
| Eremology |
Study of deserts |
| Ergology |
Study of effects of work on humans |
| Ergonomics |
Study of people at work |
| Escapology |
Study of freeing oneself from constraints |
| Eschatology |
Study of death; final matters |
| Ethnogeny |
Study of origins of races or ethnic groups |
| Ethnology |
Study of cultures |
| Ethnomethodology |
Study of everyday communication |
| Ethnomusicology |
Study of comparative musical systems |
| Ethology |
Study of natural or biological character |
| Ethonomics |
Study of economic and ethical principles of a society |
| Etiology |
The science of causes; especially of disease |
| Etymology |
Study of origins of words |
| Euthenics |
Science concerned with improving living conditions |
| Exobiology |
Study of extraterrestrial life |