orally vs drug

orally is not a noun while drug is a noun.

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

orally (noun)	drug (noun)
	a substance that is used as a medicine or narcotic

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

orally (adverb)	drug (adverb)
by spoken rather than written means
(of drugs) through the mouth rather than through injection; by mouth