metropolis vs Philippi

metropolis and Philippi both are nouns.

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

metropolis (noun)	Philippi (noun)
people living in a large densely populated municipality	Octavian and Mark Antony defeated Brutus and Cassius in 42 BC
a large and densely populated urban area; may include several independent administrative districts	a city in ancient Macedonia that was important in early Christianity