metropolis vs Luxor

metropolis and Luxor both are nouns.

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

metropolis (noun)	Luxor (noun)
people living in a large densely populated municipality	a city in central Egypt on the east bank of the Nile that is a center for visitors to the ruins of and around Thebes
a large and densely populated urban area; may include several independent administrative districts