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