metropolis vs Laredo

metropolis and Laredo both are nouns.

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

metropolis (noun)	Laredo (noun)
people living in a large densely populated municipality	a city in southern Texas on the Rio Grande
a large and densely populated urban area; may include several independent administrative districts