| contestant(noun, opponent) |
| contradiction(noun, turn, back, contrary, variance) |
| contrapositive(noun, adjective, support, different, conflicting) |
| contrarian(adjective, feature, conflict, opposition, objection) |
| counterpart(noun, part, thing, match, head) |
| face |
| heterogeneous(adjective, separate, distinct, different, dissimilar) |
| independent(adjective, different, conflicting, unlike) |
| opposite word(noun, expression, idiom) |
| paired |
| retrograde(adjective, different, conflicting, unlike, facing) |
| unrelated(adjective, separate, reverse, distinct, different) |
| versus |
| vis-á-vis(noun, adjective, different, conflicting, unlike) |
| antipole(noun, turn, back, reverse, contrary) |
| antonymous(adjective, support, hostile, counter, different) |
| assaulter(noun, opponent) |
| conflict(noun, flaw, inconsistency, illogicality) |
| confronting(hostile, different, antagonistic, contrary, opposing) |
| dead against(verb, expression, phrasal verb, contrariety) |