- Cryptic
- Crypto graphed
- Crystal clear
- Crystal-gazing
- Crystallise
- Cu
- Cubic measure
- Cubism
- Culture shock
- Cum
- Cumulate
- Cuneiform writing
- Cuneus
- Cunnilingus
- Cunningly silent person
- Cupidity
- Cupola
- Cupreous
- Curable
- Curator
- Curdle
- Curiousness
- Curly hair
- Currency
- Current account
- Current affairs
- Curvilinear
- Cushion
- Custard apple
- Customary
- Cut
- Cut away
- Cut off
- Cyclopean eye
- Cylinder
- Cylindrical steamed rice cake
- Cynic
- Cynicism
- Chrysalis
- Chthonic
- Chuckle
- Chugger
- Chum up
- Chunnam
- Churn-staff
- Churn-stick
- Chute
- Chutney
- Cicartix
- Cicatrize
- Cicer arictinum
- Cider
- Cinchona
- Cinematograph
- Cinerama
- Cineraria
- Cinnamon
- Cinnamon powder
- Cir
- Circe
- 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
- Civilisation
- Clabber
- Clack
- Cladding
- Clairvoyance
- Clairvoyant
- Clamant
- Clamber
- Clamorous
- Clamp
- Clamp down
- Clan
- Clan-chief