- 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
- Caste system
- Casteless
- Castigatory
- Casting off
- Castle
- Castor
- Castor cake
- Castor sugar
- Castrate
- Castrated bull
- Castrol-oil plant
- Casual
- Casually
- Catechism
- Categorize
- Category
- Catenary
- Cater to
- Caterer
- Caterwaul
- Catnap
- 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
- Chauvinist
- Cheap popularity
- Cheaply
- Check
- Check bit