health hazard vs hazard

health hazard and hazard both are nouns.

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

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

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

health hazard (noun)	hazard (noun)
hazard to the health of those exposed to it	an obstacle on a golf course
	an unknown and unpredictable phenomenon that causes an event to result one way rather than another
	a source of danger; a possibility of incurring loss or misfortune

health hazard (verb)	hazard (verb)
	put forward, of a guess, in spite of possible refutation
	take a risk in the hope of a favorable outcome
	put at risk