| argument(noun, defense, contention) |
| armor(noun, cover, position, care, guard) |
| attack(noun, spirit, fight, courage, defiance) |
| attrition(contact, abrasion, rubbing) |
| backfire(noun, defense, reaction, repercussion) |
| balkiness(noun, unwillingness) |
| barricade(noun, cover, position, guard, shield) |
| barrier(noun, hindrance, defense) |
| belligerency(noun, attack, spirit, fight) |
| boldness(noun, attack, spirit, fight, courage) |
| combat(noun, support, action, check, fight) |
| constraint(noun, hindrance) |
| contraposition(noun, action, split, struggle, division) |
| contrariness(noun, unwillingness) |
| controversy(noun, contention) |
| density(noun, protection, security, rigidity, hardness) |
| disapproval(noun, action, struggle, disagreement, opposition) |
| discharge(noun, electricity) |
| disrelish(noun, dislike, opposition, refusal, disinclination) |
| dissonance(noun, opposition) |