- 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
- Chivalrous
- Conjunctivitis
- Conjuncture
- Consolatory
- Cornflakes
- Cotillion
- Cotillon
- Chafer
- Covetousness
- Cozenage
- Cabaret
- Caiman
- Cairn
- Cajolery
- Cake
- Cakewalk
- Calamity
- Calculable
- Calculate
- Calculated insult
- Calculating
- Calculator
- Calculus
- Calicut
- Californium
- Call a halt
- Call down on
- Call forth
- Call in
- Call-out
- Caller
- Calligraphist
- Calling
- Callipygian
- Callous
- Campari liquor
- Camphor-scented
- Campus
- Campylobacter
- Can
- Canary
- Cancatervate
- Candescence
- Candid
- Capacitate
- Cantilever
- Canvas shoes
- Canvass
- Capability
- Capacious
- Capaciousness
- Capacity
- Cape
- Capitalist