Mid-Atlantic states vs New York

Mid-Atlantic states and New York both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mid-Atlantic states	Yes	No	No	No
New York	Yes	No	No	No

Mid-Atlantic states (noun)	New York (noun)
a region of the eastern United States comprising New York and New Jersey and Pennsylvania and Delaware and Maryland	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany
	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