metropolis vs Lancaster

metropolis and Lancaster both are nouns.

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

metropolis (noun)	Lancaster (noun)
people living in a large densely populated municipality	the English royal house that reigned from 1399 to 1461; its emblem was a red rose
a large and densely populated urban area; may include several independent administrative districts	a city in northwestern England