phân rã 
decay like: decay
VNEN
chu kỳ hủy biến * ☊ 
decay period * ☊ VNEN
mùn thớt * ☊ decayed particles; filth, dirt on a chopping board * ☊ VNEN
mục nát * ☊ rotten, decayed, corrupt * ☊ VNEN
mủn * ☊ decayed * ☊ VNEN
suy tàn * ☊ decay; to decline * ☊ VNEN
sún * ☊ (tooth) decayed * ☊ VNEN
tàn * ☊ ashes, remains; to decline, decrease, fade, draw to an end, decay, crumble * ☊ VNEN
điêu linh * ☊ falling into decay, going to rack and ruin * ☊