斃す[taosu] to throw down
斃れる[taoreru] to fall
斃死[heishi] falling dead

凶弾に斃れる[kyoudannitaoreru] to be shot to death by an assassin
敵を斃す[tekiwotaosu] to kill one's enemy (opponent)
斃仆[heifu] falling dead

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