| protecting(noun, support, fight, opposition, resistance) |
| protection(noun, support, fight, opposition, resistance) |
| quarrel(noun, trouble, dispute, conflict, disagreement) |
| radar(noun, electricity) |
| radio(noun, electricity) |
| reactance |
| rebuff(noun, support, fight, opposition, resistance) |
| receiver(noun, electricity) |
| refusal(noun, support, fight, opposition, resistance) |
| reluctance |
| reluctivity |
| renitence(noun, support, cover, check, resistance) |
| renitency(noun, support, cover, check, resistance) |
| resentment(noun, trouble, dispute, conflict, disagreement) |
| retardation(noun, support, check, fight, conflict) |
| rivalry(noun, trouble, dispute, conflict, disagreement) |
| row(noun, trouble, dispute, conflict, disagreement) |
| ruckus(noun, trouble, dispute, conflict, disagreement) |
| rumpus(noun, trouble, dispute, conflict, disagreement) |
| safeguard(noun, support, fight, opposition, resistance) |