| claim(verb, maintain, return, acknowledge, deny) |
| cogitate(consider, dispute, deliberate, argue, discuss) |
| come back at(verb, expression, idiom, deny, compensate) |
| comeback(verb, return, acknowledge, deny, claim) |
| confab(consider, dispute, deliberate, argue, discuss) |
| conflict(verb, confute) |
| confutation |
| consider(dispute, deliberate, argue, discuss) |
| convict(oppose, expose, contest, counter, contradict) |
| cook(verb, cross, frustrate, blank, thwart) |
| corroborate(maintain, defend, uphold, prove, refute) |
| counteract(verb, oppose, challenge, deny, reverse) |
| counterbalance(verb, negate) |
| counterclaim(verb, return, acknowledge, deny, claim) |
| counterfeit |
| counterplot(verb, cross, frustrate, blank, thwart) |
| counterwork(verb, negate) |
| cow(verb, reduce, ruin, weaken, subdue) |
| cripple(verb, reduce, ruin, weaken, subdue) |
| cross swords(expression, consider, dispute, deliberate, argue) |