New York vs New Amsterdam

New York and New Amsterdam both are nouns.

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

New York (noun)	New Amsterdam (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a settlement established by the Dutch near the mouth of Hudson River and the southern end of Manhattan Island; annexed by the English in 1664 and renamed New York
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