鬼利死丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
あっ死[asshi] crushing to death
安楽死[anrakushi] euthanasia
一死[isshi] dying
一死後[isshigo] after one out (in Baseball)

一死報国[isshihoukoku] dying for one's country
煙死[enshi] death by smoke suffocation
横死[oushi] violent (tragic or accidental) death
仮死[kashi] asphyxiation
過労死[karoushi] death from overwork and mental stress

殉教者[junkyousha] martyr
殉国[junkoku] dying for one's country
殉死[junshi] dying a martyr
殉職[junshoku] dying at one's post
殉難[junnan] martyrdom

殉教[junkyou] martyrdom
殉難者[junnansha] victim
殉職者[junshokusha] person who has died at his post (in the performance of his duties)
殉じる[junjiru] to sacrifice oneself