Toyota vs metropolis

Toyota and metropolis both are nouns.

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

Toyota (noun)	metropolis (noun)
an industrial city of Japan in southern Honshu	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts