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

御祖母さん[obaasan] grandmother
お母[ofukuro] one's mother
御母さん[okaasan] mother
お母さま[okaasama] mother
異母[ibo] different mother

雲母[unmo] mica
義母[gibo] mother-in-law
空母[kuubo] aircraft carrier
継母[keibo] stepmother
賢母[kenbo] wise mother