Hyperstat vs vasodilator

Hyperstat and vasodilator both are nouns.

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

As nouns, vasodilator is a hypernym of Hyperstat; that is, vasodilator is a word with a broader meaning than Hyperstat:

Hyperstat: vasodilator (trade name Hyperstat) used to treat severe hypertension
vasodilator: a drug that causes dilation of blood vessels

Other hypernyms of Hyperstat include vasodilative.

Hyperstat (noun)	vasodilator (noun)
vasodilator (trade name Hyperstat) used to treat severe hypertension	a drug that causes dilation of blood vessels