wholesale house vs discount house

wholesale house and discount house both are nouns.

Word	Noun	Adjective	Verb	Adverb
wholesale house	Yes	No	No	No
discount house	Yes	No	No	No

As nouns, wholesale house and discount house are synonyms defined as:

wholesale house and discount house: a sales outlet offering goods at a discounted price

Other synonyms of wholesale house include discount store, discounter.

wholesale house (noun)	discount house (noun)
a sales outlet offering goods at a discounted price	a sales outlet offering goods at a discounted price