metropolis vs Taegu

metropolis and Taegu both are nouns.

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

metropolis (noun)	Taegu (noun)
people living in a large densely populated municipality	a city in southeastern South Korea
a large and densely populated urban area; may include several independent administrative districts