- Couple
- Courses
- Court of law
- Courtesies
- Courtliness
- Courtly
- Cowl
- Cowpea pods
- Cows
- Coxswain
- Coy
- Crab
- Crabber
- Crack a joke
- Crack brained
- Cracked
- Cracking sound
- Craftiness
- Crazy
- Crc
- Creamy
- Create
- Creche
- Credence
- Credit
- Criminology
- Crimp
- Crinkly
- Cripple
- Crispbread
- Critic
- Criticise
- Crock
- Crockery
- Crocodile tears
- Cross-dressing
- Cross-hands
- Cross-ply
- Crossness
- Crosswise
- Crotch
- Croton plant
- Crown princess
- Crowned
- Crucible
- Crucifixion
- Cruciform
- Crude
- Cruelly
- Crypt
- Crystalize
- Crystallisation
- Crystallization
- Cs
- Ct
- Cubbish
- Cube root
- Cubic
- Cubic contents
- Cubic foot
- Cuboid
- Cuckoldry
- Cucumber plant
- Cues
- Cuff
- Cuirass
- Cuisenaire
- Cul-de-sac
- Culler
- Cullion
- Culminate
- Culmination
- Culogy
- Culpability
- Cult
- Cult figure
- Cultivar
- Cultivatable
- Cultivators
- Curative
- Curbable
- Curcumin
- Curdy
- Curer
- Curing
- Curing off
- Curio
- Curiously
- Curled
- Curler
- Curlew
- Curly
- Curmudgeon
- Currency note
- Current password
- Cursor
- Curtal
- Curtsey
- Curtsy
- Curved knife