| 人口HSK 5 | rén kǒu | population; people | |
| 出口HSK 5 | chū kǒu | an exit; Classifiers: 个 ; to speak; to export; (of a ship) to leave port | |
| 门口HSK 3 | mén kǒu | doorway; gate; Classifiers: 个 | |
| 窗口 | chuāng kǒu | window; opening providing restricted access (e.g. customer service window); computer operating system window; fig. medium; intermediary; showpiece; testing ground | |
| 进口HSK 5 | jìn kǒu | to import; imported; entrance; inlet (for the intake of air, water etc) |
| 1 | The wound needs to be stitched. | |
| 2 | This wound is very painful. | |
| 3 | This is an intersection. | |
| 4 | There is a small dog at the door. | |
| 5 | The wound is oozing. |