narcotic vs drug addiction

narcotic and drug addiction both are nouns.

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

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

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