hydralazine vs vasodilative

hydralazine and vasodilative both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydralazine	Yes	No	No	No
vasodilative	Yes	No	No	No

As nouns, vasodilative is a hypernym of hydralazine; that is, vasodilative is a word with a broader meaning than hydralazine:

hydralazine: an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
vasodilative: a drug that causes dilation of blood vessels

Other hypernyms of hydralazine include antihypertensive, antihypertensive drug, vasodilator.

hydralazine (noun)	vasodilative (noun)
an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure	a drug that causes dilation of blood vessels