peddler vs felon

peddler and felon both are nouns.

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

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

peddler: an unlicensed dealer in illegal drugs
felon: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of peddler include criminal, crook, malefactor, outlaw, dealer.

peddler (noun)	felon (noun)
someone who travels about selling his wares (as on the streets or at carnivals)	someone who has committed a crime or has been legally convicted of a crime
an unlicensed dealer in illegal drugs	a purulent infection at the end of a finger or toe in the area surrounding the nail