death benefit vs benefit

death benefit and benefit both are nouns.

Word	Noun	Adjective	Verb	Adverb
death benefit	Yes	No	No	No
benefit	Yes	No	Yes	No

As nouns, benefit is a hypernym of death benefit; that is, benefit is a word with a broader meaning than death benefit:

death benefit: insurance or pension money payable to a beneficiary of a deceased
benefit: financial assistance in time of need

death benefit (noun)	benefit (noun)
insurance or pension money payable to a beneficiary of a deceased	something that aids or promotes well-being
	a performance to raise money for a charitable cause
	financial assistance in time of need

death benefit (verb)	benefit (verb)
	derive a benefit from
	be beneficial for