metropolis vs Zarqa

metropolis and Zarqa both are nouns.

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

metropolis (noun)	Zarqa (noun)
people living in a large densely populated municipality	city in northwestern Jordan
a large and densely populated urban area; may include several independent administrative districts