metropolis vs Abadan

metropolis and Abadan both are nouns.

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

metropolis (noun)	Abadan (noun)
people living in a large densely populated municipality	a port city in southwestern Iran
a large and densely populated urban area; may include several independent administrative districts