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

遺骸[igai] remains
骸骨[gaikotsu] skeleton
形骸[keigai] ruin
残骸[zangai] ruins

亡骸[nakigara] remains
屍骸[shigai] body
形骸化[keigaika] becoming a mere shell or dead letter
聖骸布[seigaifu] holy shroud (i.e. the Shroud of Turin)