碌でなし[rokudenashi] bum
碌に[rokuni] well
耄碌[mouroku] senility
碌な[rokuna] satisfactory

碌々[rokuroku] hardly
碌すっぽう[rokusuppo] (before neg. verb) (not) enough
碌でもない[rokudemonai] good-for-nothing

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