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

愛しい[itoshii] lovely
愛子[manago] beloved child
愛すべき[aisubeki] lovable
愛する[aisuru] to love
愛でたし[medetashi] wonderful

愛でる[mederu] to love
愛に飢える[ainiueru] to hunger for love
愛の結晶[ainokesshou] fruit of love
愛らしい[airashii] pretty