- Clothesline Noun Verb
- Cloture Noun Verb
- Cloud Noun Verb
- Clout Noun Verb
- Clown Noun Verb
- Cloy Verb
- Club Noun Verb
- Clubhaul Verb Noun
- Cluck Noun Verb
- Clue Noun Verb
- Clump Noun Verb
- Clunk Noun Verb
- Cluster Noun Verb
- Cluster along Verb
- Cluster around Verb
- Clutch Noun Verb Adj
- Clutter Noun Verb
- Clutter up Verb
- Co-author Noun Verb
- Co-opt Verb
- Co-own Verb
- Co-pilot Noun Verb
- Coach Noun Verb
- Coact Verb
- Coadopt Verb
- Coagulate Verb Adj
- Coalesce Verb
- Coalesce around Verb
- Coalify Verb
- Coapt Verb
- Coarsen Verb
- Coarticulate Verb
- Coast Noun Verb
- Coat Noun Verb
- Coattail Noun Verb
- Coauthor Noun Verb
- Coax Verb Noun
- Cobble Noun Verb
- Coble Noun Verb
- Cocainise Verb
- Cocainize Verb
- Cochair Noun Verb
- Cock Noun Verb
- Cock up Verb
- Cocker Noun Verb
- Cockle Noun Verb
- Cockneyfy Verb
- Cocoon Noun Verb
- Coculture Noun Verb
- Cod Noun Verb
- Coddle Verb
- Code Noun Verb
- Codename Noun Verb
- Codesign Verb Noun
- Codetermine Verb
- Codify Verb
- Coerce Verb
- Coevolve Verb
- Coexist Verb
- Cofeature Noun Verb