jail cell vs cooler

jail cell and cooler both are nouns.

Word	Noun	Adjective	Verb	Adverb
jail cell	Yes	No	No	No
cooler	Yes	No	No	No

As nouns, cooler is a hyponym of jail cell; that is, cooler is a word with a more specific, narrower meaning than jail cell:

Other hyponyms of jail cell include bullpen, detention cell, detention centre, tank, dungeon, guardroom, hold, keep, sweatbox.

jail cell (noun)	cooler (noun)
a room where a prisoner is kept	a refrigerator for cooling liquids
	a cell for violent prisoners
	an iced drink especially white wine and fruit juice