urban center vs Nineveh

urban center and Nineveh both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Nineveh	Yes	No	No	No

urban center (noun)	Nineveh (noun)
a large and densely populated urban area; may include several independent administrative districts	an ancient Assyrian city on the Tigris across from the modern city of Mosul in the northern part of what is now known as Iraq