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

どら息子[doramusuko] lazy son
愛息[aisoku] (your) beloved son
安息[ansoku] rest
一人息子[hitorimusuko] an only son
一息[hitoiki] one breath

因循姑息[injunkosoku] dilly-dallying and temporizing (temporising)
気息[kisoku] breathing
気息奄奄[kisokuenen] gasping for breath
休息[kyuusoku] rest
休息時間[kyuusokujikan] recess