- Caw
- Celsius
- Cement
- Cementation
- Cenobite
- Cenosity
- Censorious
- Censorship
- Censuring
- Census
- Cent
- Centage
- Centenarian
- Centigrade
- Centigram
- Centilitre
- Cerulean
- Cervix
- Cess
- Cfd
- Chaff
- Chain reaction
- Chair
- Chaise
- Chandlery
- Change gears
- Change of scenery
- Changeable
- Changed
- Changes
- Changing hands
- Channelize
- Chanticleer
- Chap
- Chap book
- Chap labour
- Chapman
- Chapter and verse
- Chapterhouse
- Char
- Character sketch
- Charade
- Charcoal
- Charge
- Charges
- Chariot wheel
- Charitably
- Cheap and nasty
- Cheap jack
- Cheat
- Cheat sheet
- Cheater
- Check by jowl
- Check dam
- Check out
- Cheek
- Cheek cancer
- Cheeky
- Cheerfully
- 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