metropolis vs Lubbock

metropolis and Lubbock both are nouns.

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

metropolis (noun)	Lubbock (noun)
people living in a large densely populated municipality	a city in northwest Texas to the south of Amarillo
a large and densely populated urban area; may include several independent administrative districts