U.S. vs judicial branch

U.S. and judicial branch both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
judicial branch	Yes	No	No	No

U.S. (noun)	judicial branch (noun)
the executive and legislative and judicial branches of the federal government of the United States	the branch of the United States government responsible for the administration of justice
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776