New York vs Staten Island

New York and Staten Island both are nouns.

Word	Noun	Adjective	Verb	Adverb
New York	Yes	No	No	No
Staten Island	Yes	No	No	No

New York (noun)	Staten Island (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a borough of New York City, it is the southernmost, least populated, and third largest of the New York City boroughs
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