- Croaky
- Cosumed
- Cot with coir matting
- Cote
- Cotton
- Cotton cake
- Cotton on to
- Cotton wool
- Couch potato
- Cough
- Counter-temps
- Counterbalance
- Countess
- Country-greens
- Cover up
- Cover-cloth bed
- Covered
- Covering letter
- Covert room
- Covertly
- Covet
- Covetable
- Covey
- Cow-elephant
- Cow-herd's
- Cow-pat
- Cowed
- Cower
- Cowhouse
- Creaking
- Cream
- Crease
- Creating
- Creator
- Creatures
- Credential
- Creditworthy
- Credulity
- Credulous
- Creel
- Criminally
- Crimson
- Cringe
- Crinkle
- Crisp
- Crispation
- Critical decision
- Criticism
- Criticize
- Critique
- Crochet
- Crock up
- Crocodile
- Cross-current
- Cross-face
- Cross-hatch
- Cross-legged
- Cross-polination
- Cross-pollinate
- Cross-reference
- Crossover
- Crosspiece
- Crosswalk
- Crotched
- Crouch
- Cruet
- Cruft
- Cruise
- Crumb
- Crumble
- Crunchy
- Crushes
- Crusty
- Crwth
- Cry for
- Cry foul
- Cry ones heart or eyes out
- Culture shock
- Cum
- Cumulate
- Cuneiform writing
- Cuneus
- Cunnilingus
- Cunningly silent person
- Cupidity
- Cupola
- Curriculam veta
- Curriculum vitae
- Curry favour
- Curry leaves
- Curry powder
- Cursed
- Curtain
- Curtain lecture
- Curtness
- Curvated
- Curvilinear
- Cushion
- Custard apple
- Customary