- Creatively
- Creature
- Credentials
- Credibility
- Credible
- Credulously
- Creed
- Crooked
- Crop circle
- Croquis
- Crore
- Cross breed
- Cross eye
- Cross the rubicon
- Cross-border
- Cross-check
- Cruise control
- Crunk
- Crusade
- Crusader
- Crush
- Crushing
- Crutches
- Crux
- Cry for the moon
- Cumber
- Cunning
- Cunning person
- Cunningly
- Cunt
- Cup
- Cup final
- Cup-cake
- Cupboard
- Cupful
- Cupids arrow
- Curved line
- Cuscus
- Cushy
- Cusp
- Cuspidor
- Cussed
- Custody
- Customs
- Cut a figure
- Cut across
- Cut and dry
- Cut motion
- Cyclops
- Cyclotron
- Cylindrical stone
- Cymbal
- Cyperus grass
- Cyperus rotendra grass
- Cytode
- Cental
- Circumambulate
- Circumbulation
- Compacency
- Cablegram
- Cabotage
- Cache
- Cackle
- Cacography
- Cadastre
- Cadaveric
- Cadence
- Cadjan
- Caduceus
- Cafeteria
- Cage
- Calorimeter
- Calory
- Came in to view
- Cameleer
- Canned
- Cannibal
- Cannot
- Cannot wait
- Canoeist
- Canola
- Canon
- Canonize
- Canophilia
- Canopy
- Cant
- Capriccio
- Caprice
- Capsicum
- Capsize
- Capstan
- Captcha
- Captious
- Caput draconis
- Capybara
- Carabineer
- Carafe
- Carambola
- Caramel
- Careerist