U.S. vs New York

U.S. and New York both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
New York	Yes	No	No	No

U.S. (noun)	New York (noun)
the executive and legislative and judicial branches of the federal government of the United States	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany
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	the largest city in New York State and in the United States; located in southeastern New York at the mouth of the Hudson river; a major financial and cultural center
	one of the British colonies that formed the United States, with capital New York City