- circumstantial
- circumventive
- cissuspedafa
- citric acid
- citronella oil
- citrus
- city mofussil
- coupe
- clamant
- clamber
- clamor
- clamour
- clanger
- coup
- clank
- clap
- clap eyes on, lay eyes on, set eyes on
- clap of thunder
- country folk
- claptrap
- claret
- country club
- clarion call
- clarity
- counterpart
- countermeasure
- classy
- counterclockwise
- claviger
- counterbalance
- clean someone out
- clean-handed
- counter-attraction
- counselled
- cleanness
- clear out
- clear the place
- clear up
- cough something up
- clef
- clematis
- clepsyddra
- cough
- cleromancy
- clever man
- cotton cloth
- cotter
- climactic
- climax
- cruciform
- cottager
- climbing hoop
- climbing stem
- clinch
- coterie
- clinging to
- cosy
- cost-cutting
- clique
- clitoridectomy
- cosmonaut
- cosmology
- cosmic
- corvette
- clockwise
- clockwork
- clog
- corruption
- cloister
- chiselling
- close round
- coming on
- correspond
- closely built
- correlation
- closure
- correlate
- clothe
- cowrie
- correction
- clothing
- corpulent
- centre of gravity
- corps
- clown
- club together
- clumpy
- clumsy
- cluster
- clutch
- corporeal
- coroner
- co-belligerent
- co-heir
- coronary artery
- coronary arteries
- coromandal coast
- co-sister
- co-traveller
- coach load