| check(verb, attack, fight, resist, deny) |
| combat(verb, attack, fight, resist, deny) |
| confront(verb, attack, oppose, fight, challenge) |
| contradict(verb, attack, oppose, fight, challenge) |
| contravene(verb, oppose, challenge, deny, reverse) |
| counter(verb, attack, oppose, fight, challenge) |
| counteract(verb, oppose, challenge, deny, reverse) |
| counterattack(verb, attack, fight, resist, deny) |
| cross(verb, attack, oppose, fight, challenge) |
| defy(verb, attack, fight, resist, deny) |
| demonstrate |
| deny(verb, attack, oppose, fight, challenge) |
| differ(verb, oppose, challenge, deny, reverse) |
| disaffirm(verb, oppose, challenge, deny, reverse) |
| disagree(verb, attack, fight, resist, deny) |
| disapprove(verb, attack, fight, resist, deny) |
| disbelieve(verb, dispute, challenge, doubt, question) |
| disclaim(verb, oppose, challenge, deny, reverse) |
| discredit(verb, dispute, challenge, doubt, question) |
| disprove(verb, oppose, challenge, deny, reverse) |