- cell a spade a spade
- celsius
- ception
- ceramics
- cesspool
- cestus
- cetology
- chain of waves
- chain reactor
- chairmanship
- chalk
- chalk something up
- challan
- chamber of horrors
- chamberlin
- chamois
- chamomile
- champagne
- champing at the belt
- champion
- chance
- chandelier
- channa dal
- channelize
- chap
- chap book
- chap labour
- chapter
- chapter and verse
- chapter of accidents
- characoal
- character actor
- character sketch
- characterised
- characterize
- characterized
- charakam
- chardonnay
- chase someone up, chase something up
- chasm
- chasmogamic
- cheek
- cheer someone on
- cheerful
- cheetah
- chief
- chief counsellor
- chief justice
- chinned
- chipotle
- chiseler
- chivalry
- chloric acid
- chlorination
- cinema
- chortle
- Christ
- churning stick
- cider-press
- cigarette
- circumnavigation
- circumscribe
- circumstances
- circumstantial evidence
- citation
- cite
- citified
- citron
- clammy
- clamorous
- clampdown
- clan
- clandestine marriage
- clapper
- claw
- clax of brass
- clay cart
- clean-cut
- clean-shaved head
- cleanse
- climate change
- cling
- clinging steadfastedly on
- clinical psychology
- close associate
- cloudscape
- clout
- cloze test
- clue
- clunker
- clutches
- coast
- coast of coromandal
- coastguard
- coat
- coax
- coefficient
- coerce
- coffee house
- coffee plant