| Simplified | Traditional | Pinyin | HSK Level | Frequency | Definition | Actions | Learning Status |
|---|---|---|---|---|---|---|---|
| 流域 | 流域 | liú yù | 7 | 20502 | river basin, valley, drainage area | View | |
| 水域 | 水域 | shuǐ yù | 7 | 13197 | waters, body of water | View | |
| 海域 | 海域 | hǎi yù | 7 | 12160 | sea area, territorial waters, maritime space | View | |
| 地域 | 地域 | dì yù | 7 | 10905 | area, district, region | View | |
| 领域 | 領域 | lǐng yù | 7 | 2459 | domain, sphere, field, territory, area | View | |
| 区域 | 區域 | qū yù | 5 | 1701 | area, region, district | View |