- Cowedly Adv Adj
- Coyly Adv
- Cozily Adv
- Crab-like Adj Adv
- Crabbily Adv
- Crablike Adj Adv
- Crabwise Adj Adv
- Cracking Noun Adj Pres. Participle Adv
- Craftily Adv
- Craftsmanlike Adj Adv
- Craggily Adv
- Cranially Adv
- Crankily Adv
- Crassly Adv
- Cravenly Adv
- Cravingly Adv
- Crazily Adv
- Crazy Adj Noun Adv Inter
- Crazy-ass Adj Noun Adv
- Creakily Adv
- Creakingly Adv
- Creamily Adv
- Creatively Adv
- Credibly Adv
- Creditably Adv
- Credulously Adv
- Creekside Adj Noun Adv
- Creepily Adv
- Crescendo Noun Adj Adv Verb
- Crestfallenly Adv
- Criminally Adv
- Criminologically Adv
- Crispily Adv
- Crisply Adv
- Crisscross Noun Verb Adj Adv
- Critically Adv
- Croakily Adv
- Cronishly Adv
- Crookedly Adv
- Cross Adj Noun Verb Adv Prep
- Cross-channel Adj Adv
- Cross-country Adj Noun Adv
- Cross-eyed Adj Adv
- Cross-platform Adj Adv
- Crossly Adv
- Crosswise Adj Adv
- Croupily Adv
- Crucially Adv
- Cruciformly Adv
- Crudely Adv
- Cruel Adj Verb Adv
- Cruelly Adv
- Crushingly Adv
- Crustily Adv
- Cryingly Adv
- Cryobiologically Adv
- Cryogenically Adv
- Cryptically Adv
- Cryptographically Adv
- Cubbishly Adv