案 驗 àn yàn : investigate the evidence of a case

查 «査» chá : to research; to check; to investigate; to examine; to refer to; to search

Big5: , Unicode: 67e5 (查),
Links: MT, Cantonese, Ld, Chinese Language

查 證 chá zhèng : investigate; check out (a story)

調 查 diào chá : investigation; inquiry; to investigate; to survey; survey; (opinion) poll

詰 [诘] jié : investigate; restrain; scold

Big5: , Unicode: 8a70 (詰),
Links: MT, Cantonese, Ld, Chinese Language

究 jiū : after all; to investigate; to study carefully

Big5: , Unicode: 7a76 (究),
Links: MT, Cantonese, Ld, Chinese Language

糾 [纠] «糺» jiū : gather together; to investigate; to entangle; correct

Big5: , Unicode: 7cfe (糾),
Links: MT, Cantonese, Ld, Chinese Language

究 辦 jiū bàn : to investigate and deal with

勘 kān : to investigate; to survey; to collate

Big5: , Unicode: 52d8 (勘),
Links: MT, Cantonese, Ld, Chinese Language

勘 測 kān cè : to investigate; to survey

考 查 kǎo chá : investigate; study

審 [审] shěn : to examine; to investigate; carefully; to try (in court)

Big5: , Unicode: 5be9 (審),
Links: MT, Cantonese, Ld, Chinese Language

讅 «谉» shěn : investigate; try (in court)

Big5: , Unicode: 8b85 (讅),
Links: MT, Cantonese, Ld, Chinese Language

審 查 shěn chá : to examine; to investigate

探 討 tàn tǎo : investigate; probe

偵 查 zhēn chá : detect; investigate

追 查 zhuī chá : investigate; track down (information)

追 究 zhuī jiū : investigate; look into