仮勘定[karikanjou] suspense account
割前勘定[warimaekanjou] each paying for his own account
勘違い[kanchigai] misunderstanding
勘気[kanki] disfavor
勘ぐる[kanguru] to be suspicious of (someone's motives)

勘決[kanketsu] investigation and decision
勘検[kanken] investigation
勘校[kankou] examination and correction
勘考[kankou] consider