Peritrate vs vasodilator

Peritrate and vasodilator both are nouns.

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

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

Peritrate: a coronary vasodilator (trade name Peritrate) used to treat angina pectoris
vasodilator: a drug that causes dilation of blood vessels

Other hypernyms of Peritrate include vasodilative.

Peritrate (noun)	vasodilator (noun)
a coronary vasodilator (trade name Peritrate) used to treat angina pectoris	a drug that causes dilation of blood vessels