chapman vs hawker

chapman and hawker both are nouns.

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

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

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

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

chapman (noun)	hawker (noun)
archaic term for an itinerant peddler	someone who travels about selling his wares (as on the streets or at carnivals)
	a person who breeds and trains hawks and who follows the sport of falconry