- Clear ones throat
- Clear statement
- Cliche
- Cliche-ridden
- Cliched
- Click
- Client
- Cliff-hanger
- Climatic
- Climatics
- Climax
- Climb
- Climbable
- Climbing
- Cline
- Clinic
- Clinical thermometer
- Close up
- Close-set
- Closing date
- Clot buster
- Cloth
- Cloth for onam
- Cloudburst
- Cloudy
- Cloudy sky
- Clough
- Cloy
- Clue
- Clumpy
- Clunk
- Cluster of lotus flower
- Cluster of desoms
- Clutch
- Clutter up
- Clyster
- Coalmine
- Coarse sand
- Coarsen
- Coarseness
- Coast of coromandal
- Coastal
- Coaster
- Coastline
- Cobbler-smith
- Coca cola
- Coccinia grandis
- Coccyx
- Cochin
- Cock crow
- Codeine
- Coercive
- Coeval
- Coexistence
- Coffee
- Coffee house
- Cog
- Cognition
- Cognitive
- Cognizance
- Cognizant
- Cold shoulder
- Cold sore
- Coldly
- Coldness
- Colic
- Collaborator
- Collagen
- Collateral
- Collect
- Collectable
- Colonel
- Coloration
- Colorless
- Colour
- Colouration
- Coloured
- Colourful
- Colourless
- Colporteur
- Colubrine
- Columnist
- Come into
- Come into power
- Come of
- Come of well
- Come out of ones shell
- Come short of
- Come to ahead
- Comity of nations
- Comletion
- Comma
- Commanding
- Commandment
- Commenced
- Commensalism
- Comment
- Commiserate
- Common salt
- Commonly