Isordil vs trade name

Isordil and trade name both are nouns.

Word	Noun	Adjective	Verb	Adverb
Isordil	Yes	No	No	No
trade name	Yes	No	No	No

Isordil (noun)	trade name (noun)
drug (trade name Isordil) used to treat angina pectoris and congestive heart failure	a name given to a product or service