health hazard vs peril

health hazard and peril both are nouns.

Word	Noun	Adjective	Verb	Adverb
health hazard	Yes	No	No	No
peril	Yes	No	Yes	No

As nouns, peril is a hypernym of health hazard; that is, peril is a word with a broader meaning than health hazard:

Other hypernyms of health hazard include endangerment, hazard, jeopardy, risk.

health hazard (noun)	peril (noun)
hazard to the health of those exposed to it	a venture undertaken without regard to possible loss or injury
	a source of danger; a possibility of incurring loss or misfortune
	a state of danger involving risk

health hazard (verb)	peril (verb)
	put in a dangerous, disadvantageous, or difficult position
	pose a threat to; present a danger to