metropolis vs Blida

metropolis and Blida both are nouns.

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

metropolis (noun)	Blida (noun)
people living in a large densely populated municipality	a city in northern Algeria at the foot of the Atlas Mountains to the southwest of Algiers
a large and densely populated urban area; may include several independent administrative districts