N.Y. vs capital of New York

N.Y. and capital of New York both are nouns.

Word	Noun	Adjective	Verb	Adverb
N.Y.	Yes	No	No	No
capital of New York	Yes	No	No	No

N.Y. (noun)	capital of New York (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	state capital of New York; located in eastern New York State on the west bank of the Hudson river