- Coverity
- Covers
- Cow-dung
- Cow-dung heap
- Coward
- Cowcatcher
- Cowdung cake
- Cowherd
- Craftsman
- Cram
- Cramp
- Crampon
- Crankily
- Cranny
- Crap
- Crape
- Crash
- Crash helmet
- Crave
- Craving
- Crawlingly
- Creeper
- Creepers
- Cremation
- Creme
- Creole
- Crepe
- Crept
- Crest
- Cretin
- Crevasse
- Crevice
- Criminal
- Criminalist
- Croft
- Crom
- Crookedness
- Croon
- Crooner
- Crop
- Cropper
- Croquet
- Crores
- Cross armed
- Cross contamination
- Cross purpose
- Cross-country
- Cross-cultural
- Crown princess
- Crowned
- Crucible
- Crucifixion
- Cruciform
- Crude
- Cruelly
- Crypt
- Crystalize
- Crystallisation
- Crystallization
- Cs
- Ct
- Cubbish
- Cube root
- Cubic
- Cubic contents
- Cubic foot
- Cuboid
- Cuckoldry
- Cucumber plant
- Cues
- Cuff
- Cuirass
- Cuisenaire
- Cul-de-sac
- Culler
- Cullion
- Culminate
- Culmination
- Culogy
- Culpability
- Cult
- Cult figure
- Cultivar
- Cultivatable
- Cultivators
- Curative
- Curbable
- Curcumin
- Curdy
- Curer
- Curing
- Curing off
- Curio
- Curiously
- Curled
- Curler
- Curlew
- Curly
- Curmudgeon
- Currency note