- Capaciousness
- Capacity
- Cape
- Capitalist
- Capitalization
- Capitalize
- Capitation
- Capitulate
- Capitulation
- 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
- Cash book
- Cash payment
- Cashew-fruit
- Cashmere
- Casino
- Cassia fistula
- Cassock
- Cassuarina tree
- Cast a spell on
- Cast iron, cast metal
- Cast light on
- Casuarina tree
- Casuist
- Catabolism
- Catalog
- Cataloguing
- Catalyse
- Catapult
- Catastrophic
- Catatonic
- Catch cold
- Cattish, cat like
- Cattle
- Cattle breeding
- Caucasian
- Caught between two stools
- Cauliflower
- Causatively
- Cause of future good
- Caused
- Causelessness
- Causes
- 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
- Central
- Centralisation of powers
- Certification
- Certifier
- Certitude
- Cesarean
- Cesspit
- Cetacean
- Cetology
- Chafed
- Chain
- Chainless
- Chaise lounge
- Change clothes