| 換 | 바꿀 환, change, exchange; substitute (12) |
| 交換 | 교환 | exchange |
| 交換 | 교환 | interchange |
| 交換 | 교환 | reciprocity |
| 交換 | 교환하다 | commute (conjugate verb) |
| 交換 | 교환하다 | exchange (conjugate verb) |
| 轉換 | 전환하다 | divert (conjugate verb) |
| 換氣 | 환기 | ventilation |
| 換乘 | 환승 | interchange (from one form of transport to another or between lines) |
| 換喩 | 환유 | metonymy |
| 換率 | 환율 | the exchange rate |