- Cur
- Curacy
- Curd
- Curdled milk
- Curds
- Cure-all
- Curing house
- Curious
- Curl
- Curr
- Current
- 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
- Canonicals
- Cosher
- Cosmetibles
- Cbm
- Courgette
- 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
- Caret
- Careya arborea
- Cargo
- Caricaturist
- Caries
- Caring
- Carry off
- Carry or take can
- Carry out
- Cart-pullers
- Carte blanche
- Carton
- Caruncle
- Carvat
- Carve out
- Caryatid
- Case
- Cast off
- Cast pearls before swine
- Cast-away skin of snake
- Casteism
- Caster of metals
- Castigate
- Castillian