- clap
- clap eyes on, lay eyes on, set eyes on
- clap of thunder
- claptrap
- claviger
- clean someone out
- clean-handed
- cleanness
- climax
- climbing hoop
- climbing stem
- clinch
- clinging to
- close round
- closely built
- clown
- club together
- clumpy
- clumsy
- cluster
- clutch
- coamings
- coarsen
- coating
- cobble something together
- cocaine
- codeine
- coffee
- coffee bean
- coffee break
- coincide
- coincident
- coir
- cold chisel
- cold-blooded
- collectivize
- colliding
- collie
- collieries
- colocasia
- comatose
- comb out
- combat
- combust
- come back
- come to grief
- come to hand
- coming from south
- commonplace
- commotion
- communal
- commune
- companionship
- compartment
- complementary
- complementary good
- complete
- complete eradication
- complete figure
- compliance
- compliant
- complicate
- comprehensive
- compunction
- compute
- concentricity
- conception
- concerned
- concieved
- concurrent
- concussion
- condensation of franctions into divisible factors
- condensed milk
- condition
- condo lent
- conference
- congested
- conglomerate
- congratulate
- congregate
- congruence
- constructive
- constructive thinking
- consult
- contact lens
- contestant
- contextual
- contexture
- contiguous
- continental
- copious
- copper-coloured
- cormorant person
- corn heap
- coromandal coast
- coronary arteries
- coronary artery
- coroner
- corruption
- corvette