gambling hell vs gaming house

gambling hell and gaming house both are nouns.

Word	Noun	Adjective	Verb	Adverb
gambling hell	Yes	No	No	No
gaming house	Yes	No	No	No

As nouns, gambling hell and gaming house are synonyms defined as:

gambling hell and gaming house: a public building in which a variety of games of chance can be played (operated as a business)

Other synonyms of gambling hell include gambling den, gambling house.

gambling hell (noun)	gaming house (noun)
a public building in which a variety of games of chance can be played (operated as a business)	a public building in which a variety of games of chance can be played (operated as a business)