| 協 | 조화할 협, 맞을 협, 도울 협, be united; cooperate (8) |
| 妥協 | 타협 | compromise |
| 妥協 | 타협하다 | compromise (conjugate verb) |
| 協同 | 협동 | collaboration |
| 協力 | 협력 | cooperation, cooperate with |
| 協商 | 협상 | negotiation |
| 協約 | 협약 | convention |
| 協議 | 협의 | conference, consultation, negotiation |
| 協定 | 협정 | pact |
| 協奏曲 | 협주곡 | concerto |
| 協會 | 협회 | society |