peddler vs drug dealer

peddler and drug dealer both are nouns.

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

As nouns, peddler and drug dealer are synonyms defined as:

Other synonyms of peddler include drug peddler, drug trafficker, pusher.

peddler (noun)	drug dealer (noun)
someone who travels about selling his wares (as on the streets or at carnivals)	an unlicensed dealer in illegal drugs
an unlicensed dealer in illegal drugs