city vs Gomel

city and Gomel both are nouns.

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

city (noun)	Gomel (noun)
people living in a large densely populated municipality	industrial city of Belarus to the southeast of Minsk
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter