| 检查 | jian3 cha2 | to inspect |
| 调查 | diao4 cha2 | inquiry |
| 查询 | cha2 xun2 | query |
| 审查 | shen3 cha2 | censorship |
| 查处 | cha2 chu3 | to investigate and prosecute |
| 侦查 | zhen1 cha2 | to detect |
| 查 | cha2 | Chaco |
| 调查研究 | diao4 cha2 yan2 jiu1 | investigate and discuss |
| 查德 | cha2 de2 | Chad |
| 普查 | pu3 cha2 | census |
| 查明 | cha2 ming2 | to ascertain |
| 搜查 | sou1 cha2 | to search |
| 查尔 | cha2 er3 | Char |