United States House of Representatives vs U.S. House

United States House of Representatives and U.S. House both are nouns.

Word	Noun	Adjective	Verb	Adverb
United States House of Representatives	Yes	No	No	No
U.S. House	Yes	No	No	No

As nouns, United States House of Representatives and U.S. House are synonyms defined as:

United States House of Representatives and U.S. House: the lower legislative house of the United States Congress

Other synonyms of United States House of Representatives include House of Representatives, U.S. House of Representatives, US House, US House of Representatives.

United States House of Representatives (noun)	U.S. House (noun)
the lower legislative house of the United States Congress	the lower legislative house of the United States Congress