- Cavalry officer
- Cave
- Cave in
- Caveman
- Cavil
- Cavity
- Caw
- Cdc
- Cedar
- Cedar tree
- Cede
- Cedent
- Ceiling fan
- Celebrated
- Celerations
- Celibate
- Cell
- Cell a spade a spade
- Cellular
- Celsius
- Cement
- Cementation
- Cenobite
- Cenosity
- Censorious
- Censorship
- Censuring
- Census
- Cent
- Centage
- Centenarian
- Centigrade
- Centigram
- Centilitre
- Centralism
- Centrally
- Centrally placed
- Centre of gravity
- Centre of mass
- Centrifugal force
- Centroid
- Ceramic
- Cerebellum
- Cerebral
- Ceremonial
- Coif
- Coiled
- Coir-mats
- Cold chisel
- Cold cream
- Cold feet
- Cold frame
- Cold snap
- Cold sweat
- Cold wave
- Cole
- Colicky
- Collaboration
- Collaborators
- Collar
- Collateral damage
- Collected
- Collective farm
- Collectivist
- Colleen
- Collieries
- Colliery
- Collocate
- Collocation
- Colloquial
- Colloquialism
- Colonisation
- Colonise
- Colonist
- Colonnade
- Coloquial
- Color
- Coloring
- Colossus
- Colour blind
- Colour brine
- Colour line
- Colourfully
- Combat
- Combatant
- Combatants
- Combe
- Combination
- Combination of syllables
- Combine
- Combustible
- Come between
- Come down with
- Come for
- Come home to roost
- Come in
- Come in for
- Come into line
- Come into ones mind
- Come into or enter ones head