chapman vs peddler

chapman and peddler both are nouns.

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

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

chapman: archaic term for an itinerant peddler
peddler: someone who travels about selling his wares (as on the streets or at carnivals)

Other hypernyms of chapman include hawker, packman, pedlar, pitchman.

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