- 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
- Cuckoo
- Cuckoo clock
- Cuddle
- Cuffed
- Cuisine
- Culinary
- Cullet
- Culottes
- Culpable
- Cultivation
- Cultivator
- Culttered
- Cupreous
- Curable
- Curator
- Curdle
- Curiousness
- Curly hair
- Currency
- Current account
- Current affairs
- Curvilinear
- Cushion
- Custard apple
- Customary
- Cut
- Cut away
- Cut off
- Cyclopean eye
- Cylinder
- Cylindrical steamed rice cake
- Cynic
- Cynicism
- Cryptography
- Cryptology
- Crysanthus
- Cyclostyle
- Concuss
- Cozenger
- Cozy
- Cabin
- Cabin cruiser
- Cable
- Caboodle
- Cache memory
- Cachet
- Cachinnation
- Cadaver
- Cadd
- Cadet
- Cadet corps
- Cadillac
- Cadre
- Cae
- Caesarean operation
- Caffeine
- Cafune
- Cagey
- Calibre
- Calico
- Caliph