dealer vs jewelry store

dealer and jewelry store both are nouns.

Word	Noun	Adjective	Verb	Adverb
dealer	Yes	No	No	No
jewelry store	Yes	No	No	No

As nouns, jewelry store is a hyponym of dealer; that is, jewelry store is a word with a more specific, narrower meaning than dealer:

Other hyponyms of dealer include car dealer, computer dealer, jewelry dealer, truck dealer.

dealer (noun)	jewelry store (noun)
a firm engaged in trading	a firm that sells and buys jewelry
a seller of illicit goods
the person who distributes the playing cards in a card game
someone who purchases and maintains an inventory of goods to be sold
the major party to a financial transaction at a stock exchange; buys and sells for his own account