peddler vs pitchman

peddler and pitchman both are nouns.

Word	Noun	Adjective	Verb	Adverb
peddler	Yes	No	No	No
pitchman	Yes	No	No	No

As nouns, peddler and pitchman are synonyms defined as:

peddler and pitchman: someone who travels about selling his wares (as on the streets or at carnivals)

Other synonyms of peddler include hawker, packman, pedlar.

peddler (noun)	pitchman (noun)
someone who travels about selling his wares (as on the streets or at carnivals)	someone who travels about selling his wares (as on the streets or at carnivals)
an unlicensed dealer in illegal drugs	an aggressive salesman who uses a fast line of talk to sell something