borsht belt vs playground

borsht belt and playground both are nouns.

Word	Noun	Adjective	Verb	Adverb
borsht belt	Yes	No	No	No
playground	Yes	No	No	No

As nouns, playground is a hypernym of borsht belt; that is, playground is a word with a broader meaning than borsht belt:

borsht belt: (informal) a resort area in the Catskill Mountains of New York that was patronized primarily by Jewish guests
playground: an area where many people go for recreation, holidays or other purposes

Other hypernyms of borsht belt include resort area, vacation spot.

borsht belt (noun)	playground (noun)
(informal) a resort area in the Catskill Mountains of New York that was patronized primarily by Jewish guests	yard consisting of an outdoor area for children's play
	an area where many people go for recreation, holidays or other purposes