metropolis vs Toyota

metropolis and Toyota both are nouns.

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

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