| 检查 | jian3 cha2 | to inspect |
| 调查 | diao4 cha2 | inquiry |
| 观察 | guan1 cha2 | view |
| 查询 | cha2 xun2 | query |
| 警察 | jing3 cha2 | police officer |
| 检察 | jian3 cha2 | to inspect |
| 考察 | kao3 cha2 | investigate |
| 审查 | shen3 cha2 | censorship |
| 查处 | cha2 chu3 | to investigate and prosecute |
| 侦察 | zhen1 cha2 | to reconnoiter |
| 侦查 | zhen1 cha2 | to detect |
| 查 | cha2 | Chaco |
| 监察 | jian1 cha2 | to control |