hawker vs chapman

hawker and chapman both are nouns.

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

As nouns, chapman is a hyponym of hawker; that is, chapman is a word with a more specific, narrower meaning than hawker:

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

Other hyponyms of hawker include cheapjack, crier, muffin man, sandboy, transmigrante.

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