- Certainly Adv
- Certes Adv
- Certifiably Adv
- Chainwise Adv
- Challengingly Adv
- Chancily Adv
- Changeably Adv
- Chaotically Adv
- Characteristically Adv
- Characterologically Adv
- Charily Adv
- Charismatically Adv
- Charitably Adv
- Charmingly Adv
- Chastely Adv
- Chattily Adv
- Chauvinistically Adv
- Cheaply Adv
- Cheatingly Adv
- Cheekily Adv
- Cheerfully Adv
- Cheerily Adv
- Cheerlessly Adv
- Cheerly Adv
- Cheesily Adv
- Chemically Adv
- Chemoautotrophically Adv
- Chemotactically Adv
- Chemotherapeutically Adv
- Cherishingly Adv
- Cherubically Adv
- Chevronwise Adv
- Chicly Adv
- Chidingly Adv
- Chiefly Adv
- Childishly Adv
- Chillily Adv
- Chillingly Adv
- Chirpily Adv
- Chivalrously Adv
- Chlorotically Adv
- Choicely Adv
- Chokingly Adv
- Choppily Adv
- Chorally Adv
- Chordwise Adj Adv
- Choreographically Adv
- Chromatically Adv
- Chromatographically Adv
- Chromosomally Adv
- Chronically Adv
- Chronologically Adv
- Chronometrically Adv
- Chubbily Adv
- Chummily Adv
- Chunkily Adv
- Churchward Adj Adv
- Churlishly Adv
- Cinematically Adv
- Cinematographically Adv