- character
- clam
- copper
- cesium
- Cd
- californium
- crux of the matter
- catchword
- cry down
- cry wolf
- chirrup
- cluck
- click
- chirp
- chorus
- crow
- caw
- cheep
- consummate
- complete
- crude
- cum
- connection
- communication
- contrast
- crease
- conductor
- connective
- communicating
- crock
- comeback
- counter
- clamor
- cheek
- converse
- conversation
- comment
- confide
- clever
- come upon
- clap
- canary
- carol
- chattel mortgage
- collaboration
- cockpit
- cucumis sativus
- cucumber
- cloudy
- communal