- Cathodically Adv.
- Catholically Adv.
- Cationically Adv.
- Catlike Adj. Adv.
- Catoptrically Adv.
- Cattily Adv.
- Caudally Adv.
- Causally Adv.
- Causelessly Adv.
- Caustically Adv.
- Cautiously Adv.
- Cavalierly Adv.
- Cavernously Adv.
- Ceaselessly Adv.
- Celestially Adv.
- Cellwise Adj. Adv.
- Cenogenetic Adj. Adv.
- Censoriously Adv.
- Centeredly Adv.
- Centrally Adv.
- Centredly Adv.
- Centrifugally Adv.
- Centripetally Adv.
- Cephalically Adv.
- Cerebrally Adv.
- Ceremonially Adv.
- Ceremoniously Adv.
- Certainly Adv. Inter.
- Certes Adv.
- Certifiably Adv.
- Chainlike Adj. Adv.
- Chainwise Adv. Adj.
- Chairside Adj. Adv.
- Challengingly Adv.
- Chameleon-like Adj. 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.
- Cheap Adj. Adv.
- Cheaply Adv.
- Cheatingly Adv.
- Cheekily Adv.
- Cheerfully Adv.
- Cheerily Adv.
- Cheerlessly Adv.
- Cheerly Adv. Adj.
- Cheery Adj. Adv.
- Cheesily Adv.
- Chemically Adv.
- Chemoautotrophically Adv.
- Chemotactically Adv.