grocery vs marketplace

grocery and marketplace both are nouns.

Word	Noun	Adjective	Verb	Adverb
grocery	Yes	No	No	No
marketplace	Yes	No	No	No

As nouns, marketplace is a hypernym of grocery; that is, marketplace is a word with a broader meaning than grocery:

grocery: a marketplace where groceries are sold
marketplace: an area in a town where a public mercantile establishment is set up

Other hypernyms of grocery include market, market place, mart.

grocery (noun)	marketplace (noun)
a marketplace where groceries are sold	the world of commercial activity where goods and services are bought and sold
(usually plural) consumer goods sold by a grocer	an area in a town where a public mercantile establishment is set up