余喘[yozen] lingering life
喘ぐ[aegu] to gasp
喘息[zensoku] asthma
喘ぎ[aegi] gasping
小児喘息[shounizensoku] infantile asthma

気管支喘息[kikanshizensoku] bronchial asthma
喘息が起こる[zensokugaokoru] to have an attack of asthma
残喘[zanzen] the remainder of one's life
喘鳴[zenmei] stridor
喘ぎ声[aegigoe] heavy breathing

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