- Cryptonym
- Caesura
- Cafe
- Camellia
- Ception
- Circumambulation
- Coamings
- Comminute
- Calk
- Call at
- Call attention to
- Call back
- Call by
- Call centre
- Call in question
- Call names
- Call to action
- Call to bar
- Call upon
- Campaigner
- Campanology
- Camwhore
- Can of worms
- Canalize
- Canard
- Cancerous
- Candicamera
- Candidates
- Candle
- Candy
- Cane chair
- Capon
- Capriccioso
- Capriole
- Capstone
- Capsular
- Capsule
- Captagon
- Captivate
- Captivating
- Captive
- Captivity
- Captor
- Captured
- Capuchin
- Carabao
- Carabiniere
- Caracole
- Carol
- Carpel
- Carpenter ant
- Carpet bag
- Carpus
- Carrier
- Carrion crow
- Carry a torch for
- Casein
- Cash crop
- Cash in
- Cashew
- Casing
- Casket
- Catalepsy
- Cast a long shadow
- Cast away
- Cast iron
- Cat bird
- Cat hood
- Catacomb
- Catalogue
- Catalonia
- Catarrh
- Catastrophe
- Catawampus
- Causing to
- Cautery
- Cavalry
- Cave temple
- Caveat emptor
- Cavernous
- Caviar
- Cellulose
- Cemetery
- Cense
- Censer
- Censured
- Centenario
- Centerpiece
- Centesimal
- Central conic
- Central travancore
- Chaithram
- Chakyar
- Chalan
- Chalaza
- Chalet
- Chalk
- Challoner
- Chamber
- Chamber pot