New York vs USA

New York and USA both are nouns.

Word	Noun	Adjective	Verb	Adverb
New York	Yes	No	No	No
USA	Yes	No	No	No

New York (noun)	USA (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	the army of the United States of America; the agency that organizes and trains soldiers for land warfare
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	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 New York City