New York vs Allegheny

New York and Allegheny both are nouns.

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

New York (noun)	Allegheny (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River
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