為残す[shinokosu] to leave unfinished
一人残らず[hitorinokorazu] everyone
居残り[inokori] working overtime
居残る[inokoru] to stay behind
残り[nokori] remnant

残り火[nokoribi] embers
残り物[nokorimono] leftovers (esp. food)
残る[nokoru] to remain
残骸[zangai] ruins
残基[zanki] residue

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)