Nineveh vs metropolis

Nineveh and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nineveh	Yes	No	No	No
metropolis	Yes	No	No	No

Nineveh (noun)	metropolis (noun)
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	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts