brand-name drug vs generic drug

brand-name drug and generic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
brand-name drug	Yes	No	No	No
generic drug	Yes	No	No	No

brand-name drug (noun)	generic drug (noun)
a drug that has a trade name and is protected by a patent (can be produced and sold only by the company holding the patent)	when the patent protection for a brand-name drug expires generic versions of the drug can be offered for sale if the FDA agrees