勘 ⇒
勘 kān, to investigate/to survey/to collate
勘测 kāncè, [勘測], to investigate/to survey
勘察 kānchá, to reconnoiter/to explore/to survey
勘查 kānchá, variant of 勘察[kān chá]
勘探 kāntàn, to explore/to survey/to prospect (for oil etc)/prospecting
踏勘 tàkān, to go and inspect (a site)/to do an on-site survey
勘探者 勘探队 勘误 kānwù, [勘誤], to correct printing errors
勘定 kāndìng, to demarcate/to survey and determine