- Cowedly Adv. Adj.
- Coyly Adv.
- Cozily Adv.
- Crab-like Adj. Adv.
- Crabbily Adv.
- Crablike Adj. Adv.
- Crabwise Adj. Adv.
- Cracking Subst. Adj. Part. Präs. Adv.
- Craftily Adv.
- Craftsmanlike Adj. Adv.
- Craggily Adv.
- Cranially Adv.
- Crankily Adv.
- Crassly Adv.
- Cravenly Adv.
- Cravingly Adv.
- Crazily Adv.
- Crazy Adj. Subst. Adv. Inter.
- Crazy-ass Adj. Subst. Adv.
- Creakily Adv.
- Creakingly Adv.
- Creamily Adv.
- Creatively Adv.
- Credibly Adv.
- Creditably Adv.
- Credulously Adv.
- Creekside Adj. Subst. Adv.
- Creepily Adv.
- Crescendo Subst. Adj. Adv. Verb
- Crestfallenly Adv.
- Criminally Adv.
- Criminologically Adv.
- Crispily Adv.
- Crisply Adv.
- Crisscross Subst. Verb Adj. Adv.
- Critically Adv.
- Croakily Adv.
- Cronishly Adv.
- Crookedly Adv.
- Cross Adj. Subst. Verb Adv. Präp.
- Cross-channel Adj. Adv.
- Cross-country Adj. Subst. 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.