contraband vs smuggled

contraband is a noun but smuggled is not a noun.

Word	Noun	Adjective	Verb	Adverb
contraband	Yes	Yes	No	No
smuggled	No	Yes	No	No

As adjectives, contraband and smuggled are synonyms defined as:

Other synonyms of contraband include black-market, black, bootleg.

contraband (noun)	smuggled (noun)
goods whose importation or exportation or possession is prohibited by law

contraband (adjective)	smuggled (adjective)
distributed or sold illicitly	distributed or sold illicitly