- Cupid
- Cupids
- Cupids bow
- Cupping process
- Current password
- Cursor
- Curtal
- Curtsey
- Curtsy
- Curved knife
- 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
- C
- Chadors
- Characterised
- Circumcentre
- Coaly
- Cognovit
- Comose
- Conjunctive
- Campari liquor
- Camphor-scented
- Campus
- Campylobacter
- Can
- Canary
- Cancatervate
- Candescence
- Candid
- Capacitate
- Carassing
- Caravan
- Carboniferous
- Cardamom tea
- Cardboard
- Cardinal
- Cardiograph
- Carouse
- Carpe diem
- Carpenter
- Carpenter's
- Carpet weaver
- Carpets
- Carpool
- Carriagable
- Cartoon
- Carriage paid
- Carrot and stick policy
- Carry it off well
- Carry all before
- Carry away
- Carry back
- Casuarina tree
- Casuist
- Catabolism
- Catalog
- Cataloguing
- Catalyse
- Catapult
- Catastrophic
- Catatonic
- Catch cold
- Causing heat
- Causing joy and fear
- Caustic potash
- Caution money
- Cautionary
- Cautiously
- Cavalcade
- Cavalryman
- Cave dweller
- Cave painting
- Caveat
- Cavort
- Cavum
- Celluloid
- Celt
- Celtic
- Cenacle
- Cenotaph
- Centaurus
- Centenary
- Centennial
- Center
- Centipede