碾く[hiku] to saw
碾き茶[hikicha] powdered green tea (steamed and dried before being stone-ground)
碾臼[hikiusu] quern
粗碾き[arabiki] coarsely ground (e.g. coffee, grain)

碾き割り納豆[hikiwarinattou] natto made from ground soybeans
碾割り[hikiwari] grinding
碾割り麦[hikiwarimugi] ground barley

一念発起[ichinenhokki] being resolved to (do something)
引き起す[hikiokosu] to cause
縁起[engi] omen
喚起[kanki] arousal
起きる[okiru] to get up

起上る[okiagaru] to rise
起す[okosu] to raise
起こり得る[okoriuru] to be possible to occur
起る[okoru] to occur
起つ[tatsu] to rise up