Sao Bernardo do Campo vs metropolis

Sao Bernardo do Campo and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sao Bernardo do Campo	Yes	No	No	No
metropolis	Yes	No	No	No

Sao Bernardo do Campo (noun)	metropolis (noun)
a city in southeastern Brazil; an industrial suburb of Sao Paulo	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts