drug addiction vs narcotic

drug addiction and narcotic both are nouns.

Word	Noun	Adjective	Verb	Adverb
drug addiction	Yes	No	No	No
narcotic	Yes	Yes	No	No

drug addiction (noun)	narcotic (noun)
an addiction to a drug (especially a narcotic drug)	a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction

drug addiction (adjective)	narcotic (adjective)
	of or relating to or designating narcotics
	inducing stupor or narcosis
	inducing mental lethargy