metropolis vs Tacoma

metropolis and Tacoma both are nouns.

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

metropolis (noun)	Tacoma (noun)
people living in a large densely populated municipality	a city in west central Washington on an arm of Puget Sound to the south of Seattle
a large and densely populated urban area; may include several independent administrative districts