芥箱[gomibako] garbage can
芥子[karashi] mustard
塵芥[jinkai] rubbish
雛芥子[hinageshi] red poppy (Papaver rhoeas)
唐芥子[tougarashi] capsicum (Capsicum annuum, esp. the cultivated chili peppers)

洋芥子[yougarashi] mustard
芥子[keshi] poppy
小芥子[kokeshi] limbless wooden doll
芥溜め[gomitame] dump

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