Fort Lauderdale vs metropolis

Fort Lauderdale and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fort Lauderdale	Yes	No	No	No
metropolis	Yes	No	No	No

Fort Lauderdale (noun)	metropolis (noun)
a city in southeast Florida on the Atlantic coast to the north of Miami; a favorite place for college students to go on their spring vacations	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts