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

遺骸[igai] remains
骸骨[gaikotsu] skeleton
形骸[keigai] ruin
残骸[zangai] ruins

亡骸[nakigara] remains
屍骸[shigai] body
形骸化[keigaika] becoming a mere shell or dead letter
聖骸布[seigaifu] holy shroud (i.e. the Shroud of Turin)