- Contiguously Adv
- Continentally Adv
- Continently Adv
- Contingently Adv
- Continually Adv
- Continuously Adv
- Contortedly Adv
- Contraclockwise Adj Adv
- Contractually Adv
- Contradictively Adv
- Contradictorily Adv
- Contradistinctively Adv
- Contradistinctly Adv
- Contrapuntally Adv
- Contrarily Adv
- Contrariwise Adv
- Contrastingly Adv
- Contrastively Adv
- Contravariantly Adv
- Contributorily Adv
- Contritely Adv
- Contrivedly Adv
- Controllably Adv
- Controversially Adv
- Contumaciously Adv
- Convectively Adv
- Conveniently Adv
- Conventionally Adv
- Convergently Adv
- Conversationally Adv
- Conversely Adv
- Convertibly Adv
- Convexly Adv
- Convincingly Adv
- Convivially Adv
- Convolutely Adv
- Convulsively Adv
- Cooingly Adv
- Coolly Adv
- Cooperatively Adv
- Coordinately Adv
- Coordinatewise Adv
- Copiously Adv
- Copulatively Adv
- Coquettishly Adv
- Cordately Adv
- Cordially Adv
- Cordlessly Adv
- Cornily Adv
- Corporally Adv
- Corporately Adv
- Corporeally Adv
- Corpulently Adv
- Correctively Adv
- Correctly Adv
- Correlatively Adv
- Correspondently Adv
- Correspondingly Adv
- Corrigibly Adv
- Corroboratively Adv