tolazoline vs vasodilative

tolazoline and vasodilative both are nouns.

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

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

tolazoline: vasodilator that is used to treat spasms of peripheral blood vessels (as in acrocyanosis)
vasodilative: a drug that causes dilation of blood vessels

Other hypernyms of tolazoline include vasodilator.

tolazoline (noun)	vasodilative (noun)
vasodilator that is used to treat spasms of peripheral blood vessels (as in acrocyanosis)	a drug that causes dilation of blood vessels