drug peddler vs criminal

drug peddler and criminal both are nouns.

Word	Noun	Adjective	Verb	Adverb
drug peddler	Yes	No	No	No
criminal	Yes	Yes	No	No

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

drug peddler: an unlicensed dealer in illegal drugs
criminal: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of drug peddler include crook, felon, malefactor, outlaw, dealer.

drug peddler (noun)	criminal (noun)
an unlicensed dealer in illegal drugs	someone who has committed a crime or has been legally convicted of a crime

drug peddler (adjective)	criminal (adjective)
	guilty of crime or serious offense
	involving or being or having the nature of a crime
	bringing or deserving severe rebuke or censure