- cry off
- chirrup
- cluck
- click
- chirp
- coo
- crow
- croak
- caw
- cheep
- consummate
- complete
- crude
- come
- cum
- connection
- credit
- communication
- contrast
- crease
- connexion
- crinkle
- connective
- codswallop
- cobbler
- crock
- curse
- cheek
- chat up
- converse
- coquet
- conversation
- comment
- confide
- clever
- come upon
- clatter
- clap
- carol
- chattel mortgage
- chaffer
- claver
- contiguous
- choleric
- cockpit
- cupid
- cloudy
- communal
- coracle
- coon