隠亡[onbou] cemetery guard
危急存亡[kikyuusonbou] life-and-death matter
興亡[koubou] rise and fall
死亡[shibou] death
死亡者[shibousha] the deceased

死亡診断書[shiboushindansho] death certificate
死亡数[shibousuu] number of deaths
死亡率[shibouritsu] death rate
衰亡[suibou] ruin
戦争未亡人[sensoumiboujin] war widow

遺失[ishitsu] loss
遺失物[ishitsubutsu] lost article
一失[isshitsu] disadvantage (defect, error)
一得一失[ittokuisshitsu] gaining some and losing some
栄養失調[eiyoushicchou] malnutrition

過失[kashitsu] error
見失う[miushinau] to lose sight of
失う[ushinau] to lose
失する[shissuru] to lose
失せる[useru] to disappear