- Casuistry
- Cat
- Cat and dog life
- Cat out of the bag
- Cataclism
- Catalyst
- Catalytic
- Cataplexy
- Cataract
- Catch a chill
- Catch a few rays
- Catch able
- Catch at a straw
- Cherry picking
- Chest of drawers
- Chestnut
- Chettuva
- Chetty community
- Circumambient
- Chevalier
- Chew the cud
- Chiaroscuro
- Childs play
- Chiliad
- Chillingly
- Chime
- Chimney
- China clay
- China-ware
- Chine
- Chinless
- Chinned
- Chip
- Chipotle
- Chipper
- Chirality
- Chirk
- Cholera
- Chopfallen
- Choppy
- Chopstick
- Chore
- Choreograph
- Chorion
- Chorography
- Chorology
- Chorus
- Chosen
- Chow
- Chrysalis
- Chthonic
- Chuckle
- Chugger
- Chum up
- Chunnam
- Churn-staff
- Churn-stick
- Chute
- Chutney
- Circling
- Circumcise
- Circumfluence
- Circumnavigation
- Circumpolar
- Circumscribe
- Circumstance
- Circumvent
- Circumvention
- Circus
- Cisc
- Cissuspedafa
- Cistern
- Citadel
- Citation
- Citified
- Citizen
- Citrus
- City-gate
- Civet cat
- Civet-musk
- Civic
- Civics
- Civil behaviour
- Civil defence
- Civil liberty
- Civil servant
- Claret
- Clarified butter
- Clarinet
- Clarinettist
- Class
- Classicist
- Classics
- Classification
- Clear-cut
- Clearing
- Clearing station
- Cleat
- Cleavable
- Cleavage