U.S. vs Rhode Island

U.S. and Rhode Island both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Rhode Island	Yes	No	No	No

U.S. (noun)	Rhode Island (noun)
the executive and legislative and judicial branches of the federal government of the United States	a state in New England; one of the original 13 colonies; the smallest state
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	one of the British colonies that formed the United States, with capital Providence