- Circumlocution
- Circumnavigate
- Circumspect
- Circumspection
- Citizenry
- Citron
- City
- City fathers
- City mofussil
- Civic sense
- Civil
- Civil marriage
- Civilization
- Clad
- Clam meat
- Clandestine marriage
- Clandestinely
- Clang
- Clannish
- Clapping
- Claque
- Clarification
- Clarify
- Clarion
- Clasp
- Classical music
- Classical work
- Classify
- Classifying
- Classless
- Classmate
- Classy
- Clavichord
- Cmc
- Claw-hammer
- Clawback
- Clax of brass
- Clay cart
- Clayey
- Clean-shaved head
- Cleanly
- Cleanser
- Cleansing
- Clear a debt
- Clear ones throat
- Clear statement
- Clearance
- Clearing house
- Cleave
- Clef
- Cleft palate
- Clematis
- Clerical
- Clerk
- Clever fellow
- Clever man
- Cleverish
- Cleverly
- Cliche
- Cliche-ridden
- Cliched
- Click
- Client
- Cliff-hanger
- Climatic
- Climatics
- Climax
- Climb
- Climbable
- Climbing
- Cline
- Clinic
- Clinical thermometer
- Clinker
- Clinquant
- Clipboard
- Clique
- Cliquish
- Clitic
- clitoridectomy
- Clitoris
- Clock
- Clockwise
- Clog
- Clogging
- Clone
- Clonk
- Close
- Close in
- Close up
- Close-set
- Closing date
- Clot buster
- Cloth
- Cloth for onam
- Cloudburst
- Cloudy
- Cloudy sky
- Clough
- Cloy