pizza shop vs store

pizza shop and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
pizza shop	Yes	No	No	No
store	Yes	No	Yes	No

As nouns, store is a hypernym of pizza shop; that is, store is a word with a broader meaning than pizza shop:

Other hypernyms of pizza shop include shop.

pizza shop (noun)	store (noun)
a shop where pizzas are made and sold	a mercantile establishment for the retail sale of goods or services
	a depository for goods
	an electronic memory device
	a supply of something available for future use

pizza shop (verb)	store (verb)
	keep or lay aside for future use
	find a place for and put away for storage