chapman vs pedlar

chapman and pedlar both are nouns.

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

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

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

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

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