- established by experience or perception
- ethylene tetrachloride
- Edronax
- Enkaid
- Elixophyllin
- ethical code
- expectedness
- eightpence
- evergreen plant
- enchanter's nightshade
- European sanicle
- English primrose
- elephant's foot
- ethiopian language
- evening_snow
- emilia_romagna
- English_weed
- elephidotarsius
- elocution competition
- egbert
- eichhornia crassipes
- elymus arenarius
- eragrostis curvula
- ely culbertson
- elaeis guineensis
- eragrostic abyssinica
- erianthus ravennae
- ergun he
- eriocaulon aquaticum
- eriocaulaceae
- electric range
- european goatsucker
- european hare
- edmund cartwright
- edmonton
- ernst heinrich weber
- ernst cassirer
- Emydidae
- emesis basin
- eburnation
- eutrophication
- erythropoiesis
- ecchymosis
- epistasis
- erythroblastosis
- erythrocytosis
- epileptic
- Endamoeba
- epistemic
- equestrian sport
