Taconic Mountains vs New York State

Taconic Mountains and New York State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Taconic Mountains	Yes	No	No	No
New York State	Yes	No	No	No

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