殒 (w)

(yǔn) to perish; to die

殒命 (w)

(yǔnmìng) to die; to perish

殒落 (w)

(yǔnluò) see 隕落|陨落[yun3 luo4]

殒身不恤 (w)

(yǔnshēnbùxù) to die without regrets (idiom); to sacrifice oneself without hesitation