city vs Moulmein

city and Moulmein both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
Moulmein	Yes	No	No	No

city (noun)	Moulmein (noun)
people living in a large densely populated municipality	a port city of southern Myanmar on the Gulf of Martaban
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter