metropolis vs Lausanne

metropolis and Lausanne both are nouns.

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

metropolis (noun)	Lausanne (noun)
people living in a large densely populated municipality	a city in western Switzerland; cultural and commercial center
a large and densely populated urban area; may include several independent administrative districts