virility drug vs drug

virility drug and drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
virility drug	Yes	No	No	No
drug	Yes	No	Yes	No

As nouns, drug is a hypernym of virility drug; that is, drug is a word with a broader meaning than virility drug:

virility drug (noun)	drug (noun)
drug to treat impotence attributable to erectile dysfunction	a substance that is used as a medicine or narcotic

virility drug (verb)	drug (verb)
	administer a drug to
	use recreational drugs