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

下稽古[shitageiko] rehearsal
滑稽[kokkei] funny
滑稽本[kokkeibon] comic novel (Edo period)
稽古[keiko] practice
稽える[kangaeru] to consider

荒唐無稽[koutoumukei] absurdity
出稽古[degeiko] giving lessons at pupils' homes
代稽古[daigeiko] substitute teaching
朝稽古[asageiko] early-morning practice
滑稽者[odokemono] idiot

と考えられる[tokangaerareru] one can think that ...
一考[ikkou] consideration
勘考[kankou] consider
考え[kangae] thinking
考えてみれば[kangaetemireba] if you think about it

考える[kangaeru] to consider
考え込む[kangaekomu] to ponder
考え事[kangaegoto] (deep) thinking
考え出す[kangaedasu] to think out
考え直して[kangaenaoshite] On second thoughts ...