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)

気胸[kikyou] pneumothorax
胸囲[kyoui] chest measurement
胸奥[kyouou] one's heart of hearts
胸郭[kyoukaku] chest
胸襟[kyoukin] one's heart

胸もと[munamoto] breast
胸腔[kyoukou] thorax
胸骨[kyoukotsu] breastbone
胸三寸[munesanzun] heart