苛む[sainamu] to torment
苛めっ子[ijimekko] bully
苛める[ijimeru] to tease
苛虐[kagyaku] cruel treatment
苛性[kasei] caustic

苛性ソーダ[kaseisooda] caustic soda
苛政[kasei] tyranny
苛税[kazei] heavy taxation
苛立つ[iradatsu] to be irritated
苛立てる[iradateru] to irritate

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