metropolis vs New York

metropolis and New York both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
New York	Yes	No	No	No

metropolis (noun)	New York (noun)
people living in a large densely populated municipality	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany
a large and densely populated urban area; may include several independent administrative districts	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