N.Y. vs Taconic Mountains

N.Y. and Taconic Mountains both are nouns.

Word	Noun	Adjective	Verb	Adverb
N.Y.	Yes	No	No	No
Taconic Mountains	Yes	No	No	No

N.Y. (noun)	Taconic Mountains (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a range of the Appalachian Mountains along the eastern border of New York with Connecticut, Massachusetts, and Vermont