ゴミ集積場[gomishuusekijou] village garbage collection point
欝積[usseki] accumulation (e.g. of emotions, grievances, etc.)
沖積[chuuseki] alluvial
沖積期[chuusekiki] alluvial period
沖積世[chuusekisei] alluvial epoch (i.e. the Holocene epoch)

沖積層[chuusekisou] alluvium
沖積土[chuusekido] alluvial soil
下積み[shitazumi] lowest social strata
求積[kyuuseki] mensuration
経路積分[keirosekibun] path integral (physics)

小癪[koshaku] impudent
疳癪[kanshaku] passion
癪に触る[shakunisawaru] to irritate
疳癪玉[kanshakudama] fit of anger

癇癪持ち[kanshakumochi] hot-tempered person
癪の種[shakunotane] irritant
癇癪を起こす[kanshakuwookosu] to lose one's temper