United States House of Representatives vs U.S. House of Representatives

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

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

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

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

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

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