Mycenae vs metropolis

Mycenae and metropolis both are nouns.

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

Mycenae (noun)	metropolis (noun)
an ancient city is southern Greece; center of the Mycenaean civilization during the late Bronze Age	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts