| A | B |
| counterpart | thing that completes another; things very much alike |
| coup | highly successful action or sudden attack |
| couple | join;unite |
| courier | messenger |
| covenant | agreement |
| covert | secret;hidden;implied |
| covetous | avaricious;eagerly desirous of |
| cow | terrorize;intimidate |
| cower | shrink quivering, as from fear |
| coy | shy;modest;coquettish |
| cozen | cheat;hoodwink;swindle |
| crabbed | sour;peevish |
| crass | very unrefined; grossly insensible |
| craven | cowardly |
| credence | belief |
| credo | creed |
| credulity | belief on slight evidence; gullibility; naivete |
| creed | system of religious or ethical belief |
| crescendo | increase in volume or intensity, as in a musical passage;climax |
| crestfallen | dejected;dispirtied |