drug trafficker vs drug peddler

drug trafficker and drug peddler both are nouns.

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

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

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

drug trafficker (noun)	drug peddler (noun)
an unlicensed dealer in illegal drugs	an unlicensed dealer in illegal drugs