- Counting
- Countrified
- Country club
- Country-craft
- Coverage
- Coverity
- Covers
- Cow-dung
- Cow-dung heap
- Coward
- Cowcatcher
- Cowdung cake
- Cowherd
- Craftsman
- Cram
- Cramp
- Crampon
- Crankily
- Cranny
- Crap
- Crape
- Crash
- Crash helmet
- Crave
- Craving
- Crawlingly
- Criminology
- Crimp
- Crinkly
- Cripple
- Crispbread
- Critic
- Criticise
- Crock
- Crockery
- Crocodile tears
- Cross-dressing
- Cross-hands
- Cross-ply
- Crossness
- Crosswise
- Crotch
- Croton plant
- Cruise missile
- Cruiser
- Crumbling
- Crump
- Crumpet
- Crushed
- Crust
- Crustacean
- Crutch
- Cry
- Cry blue murder
- Cry down
- 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
- Custard
- Custom
- Custom-built
- Cutover
- Customer
- Customs house
- Cut a wide swath
- Cut and paste
- Cut loose
- Cyclorama
- Cyclosis
- Cygnet