- Chum
- Church
- Churchman
- Churl
- Churn out
- Churner
- Churning
- Churning stick
- Circuitous
- Circular
- Circulate
- Circulating library
- Circulatory system
- Circumlocutory
- Circumstances
- Circumstantial
- Circumstantial evidence
- Circumventive
- Circumventor
- Cirrhosis
- Cirrus
- Cist
- Cite
- Civilian
- Civility
- Civilize
- Claim
- Claimant
- Clam
- Clandestine
- Clank
- Clapper
- Clapping of hands
- Clearly
- Clears
- Cleaver
- Cleft footed
- Clench
- Clenching the fist
- Cleopatra ramases akhnaton tuthankhaman
- Clepsyddra
- Clevage
- Clever person
- Clipper
- Cloaca
- Cloak
- Cloistral
- Close fisted man
- Cloudily
- Cloudiness
- Cloudscape
- Clowder
- Clown
- Cloying
- Clump
- Cluster of lotus blossoms
- Cm
- Coalition
- Coat hanger
- Coaxing
- Cob
- Cobweb
- Cobwebs
- Cock and bull story
- Cock eye
- Codes
- Codification
- Codifier
- Codify
- Codswallop
- Coeliac
- Coenzyme
- Coercion
- Coexisting
- Coffee-table book
- Coffin
- Cogent
- Cognomen
- Cold turkey
- Cold water
- Coldish
- Collaborate
- Collaborative
- Collar bone
- Collate
- Collation
- Colleague
- Colonitis
- Colony
- Colorful
- Colors
- Colossal
- Colostrums
- Colour box
- Colourist
- Colours
- Column
- Columnar
- Com
- Com and go