消亡

消亡	xiāo wáng	to die out / to wither away
消	xiāo	to diminish; to subside / to consume; to reduce / to idle away (the time) / (after 不 or 只 or 何 etc) to need; to require; to take
亡	wáng	to die / to lose / to be gone / to flee / deceased
亡	wáng	old variant of 亡