- 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
- Cymbidium
- Cynical
- Cynosure
- Cypress
- Cyst
- Cabinet
- Cabman
- Cackling
- Cadaverous
- Cadenced
- Cadge
- Cagamosis
- Cagy
- Cai
- Cail
- Canister
- Canker
- Canned goods
- Cannery
- Cannibalism
- Canny
- Canonistic
- Canons
- Canoodle
- Cantaloupe
- Cantankerousness
- Canteen
- Canter
- Canthus
- Capnocytophaga
- Cappuccino
- Capricious
- Capricorn
- Capricornus
- Caprine
- Caps lock
- Captivates
- Capture
- Captured animal
- Caput
- Car-load
- Cardiology
- Cards
- Career
- Carefree
- Carefully
- Caregiver
- Caress
- Caressing
- Careworn
- Caribou
- Carion
- Carmine
- Carnal
- Carnality
- Carry ones point
- Carry through
- Cartage
- Cartilages