butyl nitrite vs vasodilative

butyl nitrite and vasodilative both are nouns.

Word	Noun	Adjective	Verb	Adverb
butyl nitrite	Yes	No	No	No
vasodilative	Yes	No	No	No

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

butyl nitrite: a colorless pungent liquid sometimes used as a stimulant drug by drug abusers
vasodilative: a drug that causes dilation of blood vessels

Other hypernyms of butyl nitrite include excitant, stimulant, stimulant drug, vasodilator.

butyl nitrite (noun)	vasodilative (noun)
a colorless pungent liquid sometimes used as a stimulant drug by drug abusers	a drug that causes dilation of blood vessels