mind-altering drug vs drug

mind-altering drug and drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
mind-altering drug	Yes	No	No	No
drug	Yes	No	Yes	No

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

mind-altering drug: a drug that can produce mood changes and distorted perceptions
drug: a substance that is used as a medicine or narcotic

mind-altering drug (noun)	drug (noun)
a drug that can produce mood changes and distorted perceptions	a substance that is used as a medicine or narcotic

mind-altering drug (verb)	drug (verb)
	administer a drug to
	use recreational drugs