鉱滓[kousai] slag
残滓[zanshi] remains
油滓[aburakasu] oil cake (fertilizer made of oily vegetable dregs)
味噌っ滓[misokkasu] miso lees
燃え滓[moekasu] cinders

食べ滓[tabekasu] leavings of a meal
搾り滓[shiborikasu] strained lees (e.g. sake, tofu)
熔滓[youshi] slag
搾め滓[shimekasu] oil cake

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