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

詰まらない[tsumaranai] dull
右詰め[migizume] right justification
押し詰る[oshitsumaru] to approach the year end
押詰める[oshitsumeru] to pack (in box)
荷物を詰める[nimotsuwotsumeru] to pack one's things

罐詰[kanzume] packing (in cans)
気詰り[kizumari] constrained
詰まらせる[tsumaraseru] to make shorter
詰まる[tsumaru] to be packed (with)
詰む[tsumu] to become fine