retailer vs distributer

retailer and distributer both are nouns.

Word	Noun	Adjective	Verb	Adverb
retailer	Yes	No	No	No
distributer	Yes	No	No	No

As nouns, distributer is a hypernym of retailer; that is, distributer is a word with a broader meaning than retailer:

Other hypernyms of retailer include distributor, merchandiser, merchant.

retailer (noun)	distributer (noun)
a merchant who sells goods at retail	electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
	someone who markets merchandise