vasodilative vs vasodilator

vasodilative and vasodilator both are nouns.

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

As nouns, vasodilative and vasodilator are synonyms defined as:

vasodilative and vasodilator: a drug that causes dilation of blood vessels

vasodilative (noun)	vasodilator (noun)
a drug that causes dilation of blood vessels	a drug that causes dilation of blood vessels