| 約 | 약속할 요, treaty, agreement, covenant (9) |
| 約 | 대략 약, 맹세할 약, 간소할 약, 맺을 약 |
| 假契約 | 가계약 | a temporary contract (before a formal contract is entered into law) |
| 儉約 | 검약 | economy |
| 契約 | 계약 | agreement |
| 契約 | 계약 | compact |
| 契約 | 계약하다 | contract (conjugate verb) |
| 契約 | 계약하다 | covenant (conjugate verb) |
| 括約筋 | 괄약근 | sphincter |
| 盟約 | 맹약 | covenant |
| 約 | 약 | about, approximately |
| 約束 | 약속하다 | promise (conjugate verb) |
| 約定 | 약정 | contract |
| 約定 | 약정 | stipulation |
| 約婚女 | 약혼녀 | fiancee |
| 約婚者 | 약혼자 | a fiance, an engaged person |
| 豫約 | 예약 | booking |
| 豫約 | 예약 | subscription |
| 豫約者 | 예약자 | subscriber |
| 要約 | 요약 | digest |
| 要約 | 요약 | summary |
| 要約 | 요약하다 | digest (conjugate verb) |
| 節約 | 절약 | saving |
| 節約 | 절약하는 | saving |
| 制約 | 제약 | a condition, restriction |
| 條約 | 조약 | pact |
| 條約 | 조약 | treaty |
| 集約的 | 집약적인 | intensive |
| 協約 | 협약 | convention |