- connate
- connective
- connive
- connivent
- consensual
- consensus
- concolorous
- congeneric
- corpora
- corpus
- cortical
- cribriform
- cross-pollination
- crinite
- cross-pollinate
- cruciate
- cyst
- cytology
- degenerate
- deferent
- devolution
- diagnosis
- development
- diagnoses
- digitate
- disassimilation
- division
- dissepiment
- divaricate
- dominant
- ectoblast
- ejaculate
- ejaculatory
- elaborate
- ectoblastic
- ectoderm
- ectoplasm
- efferent
- ejaculation
- elaboration
- eliminable
- eliminate
- elimination
- embryo
- encystment
- emunctory
- enchylema
- endemicity
- endoblast
- endocrinology
- endogamy
- endogenous
- endoderm
- endogamous
- endothelia
- endoparasite
- endoplasm
- endothelial
- endothelium
- envelope
- epiblast
- epiboly
- epidermal
- epidermic
- epidermis
- epidermoid
- epigenesis
- epiphyte
- epiphytic
- epithelial
- epithelium
- encystation
- endemic
- endocrine
- endopolyploid
- entomophagous
- enzyme
- erect
- erectile
- erection
- evaginate
- evert
- excise
- excision
- excrescent
- exocrine
- exsert
- excrescence
- exoderm
- exoplasm
- exudation
- falcate
- family
- eyehole
- fecundate
- fecundation
- fertilization
- fimbriated
- fenestrate
- fenestration