- eavesdrop
- eavestrough
- ebb
- ebb and flow
- ebb tide
- ebon
- ebonics
- ebonist
- ebonite
- ebonize
- ebony
- ebony spleenwort
- ebracteate
- ebullience
- ebullient
- ebulliometer
- ebullioscopy
- ebullition
- eburnation
- ec
- ec-
- ecad
- ecalcarate
- ecarinate
- ecaudate
- ecbolic
- ecce homo
- ecce signum
- eccentric
- eccentricity
- ecchi
- ecchymosis
- eccl.
- eccles.
- ecclesia
- ecclesial
- ecclesiarch
- ecclesiastic
- ecclesiastical
- ecclesiastical calendar
- ecclesiastical court
- ecclesiastical society
- ecclesiasticism
- ecclesiolatry
- ecclesiology
- eccremocarpus
- eccrine
- eccrinology
- ecdemic
- ecdysiast
- ecdysis
- ecdysone
- ecesis
- echard
- echelette
- echelon
- echeveria
- echidna
- echinacea
- echinate
- echino-
- echinococcus
- echinoderm
- echinodermatous
- echinoid
- echinulate
- echinus
- echium
- echiurid
- echiuroid
- echo
- echo boomer
- echo chamber
- echo check
- echo plate
- echo question
- echo sounder
- echo verse
- echocardiogram
- echocardiograph
- echocardiography
- echoencephalogram
- echoencephalograph
- echogenic
- echogram
- echograph
- echography
- echoic
- echoic memory
- echoism
- echolalia
- echolocate
- echolocation
- echopraxia
- echovirus
- echt
- eclampsia
- eclectic
- eclecticism
- eclipse
- eclipse plumage
- eclipsing binary
- eclipsing variable
- eclipsing variable star
- eclipsis
- ecliptic
- ecliptic coordinate system
- ecliptic latitude
- ecliptic longitude
- eclogite
- eclogue
- eclosion
- eco
- eco-
- eco-chic
- eco-friendly
- eco-hazardous
- eco-warrior
- ecoanxiety
- ecocatastrophe
- ecocentric
- ecocentrism
- ecocide
- ecofallow
- ecofascism
- ecofreak
- ecofriendly
- ecogeography
- ecohazard
- ecol.
- ecolodge
- ecological
- ecological efficiency
- ecological footprint
- ecological niche
- ecologist
- ecology
- ecomanagement
- econ.
- econiche
- econometrics
- economic
- economic cycle
- economic determinism
- economic geography
- economic geology
- economic good
- economic indicator
- economic indicators
- economic migrant
- economic model
- economic nationalism
- economic rationalism
- economic rent
- economic sanctions
- economic strike
- economic zone
- economical
- economically
- economics
- economism
- economist
- economistic
- economize
- economizer
- economy
- economy class
- economy of scale
- economy-class syndrome
- economy-size
- ecophysiology
- ecopolitics
- ecoregion
- ecospecies
- ecosphere
- ecosystem
- ecosystem services
- ecotage
- ecotarian
- ecotecture
- ecoterrorist
- ecotone
- ecotourism
- ecotype
- ecozone
- ecphonesis
- ecru
- ecstasy
- ecstatic
- ecstatics
- ect-
- ectad
- ectal
- ectasia
- ecthlipsis
- ecthyma
- ecto-
- ectoblast
- ectocommensal
- ectocornea
- ectocrine
- ectoderm
- ectoenzyme
- ectogenesis
- ectogenous
- ectomere
- ectomorph
- ectomorph, endomorph, and mesomorph
- ectomorphic
- ectomycorrhiza
- ectoparasite
- ectophyte
- ectopia
- ectopic
- ectopic pregnancy
- ectoplasm
- ectoproct
- ectosarc
- ectostosis
- ectotherm
- ectotrophic
- ectotrophic mycorrhiza
- ectozoan
- ectozoic
- ectozoon
- ectrodactylism
- ectromelia
- ectype
- ecumene
- ecumenical
- ecumenical council
- ecumenical movement
- ecumenical patriarch
- ecumenicalism
- ecumenicism
- ecumenicist
- ecumenicity
- ecumenics
- ecumenism
- eczema
- ed
- ed.
- edacious
- edacity
- edamame
- edaphic
- edaphic climax
- edaphon
- eddo
- eddy
- eddy current
- edelweiss
- edema
- edentate
- edentulous
- edetate calcium disodium
- edge
- edge city
- edge effect
- edge in
- edge molding
- edge out
- edge tool
- edge wave
- edgebone
- edged
- edger
- edger-feeder
- edgeways
- edgewise
- edging
- edging lobelia
- edgy
- edh
- edible
- edible canna
- edibles
- edict
- edification
- edificatory
- edifice
- edify
- edifying
- edile
- edit
- edit trace
- edit.
- editio princeps
- edition
- edition binding
- editor
- editor in chief
- editorial
- editorial we
- editorialize
- editorship
- editress
- edrophonium
- eds.
- edu