abortifacient vs drug

abortifacient and drug both are nouns.

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

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

abortifacient (noun)	drug (noun)
a drug (or other chemical agent) that causes abortion	a substance that is used as a medicine or narcotic

abortifacient (adjective)	drug (adjective)
causing abortion

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