antisyphilitic vs drug

antisyphilitic and drug both are nouns.

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

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

antisyphilitic: a drug (or other chemical agent) that is effective against syphilis
drug: a substance that is used as a medicine or narcotic

antisyphilitic (noun)	drug (noun)
a drug (or other chemical agent) that is effective against syphilis	a substance that is used as a medicine or narcotic

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