gaming house vs gambling hell

gaming house and gambling hell both are nouns.

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

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

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

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

gaming house (noun)	gambling hell (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)