city vs Dneprodzerzhinsk

city and Dneprodzerzhinsk both are nouns.

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

city (noun)	Dneprodzerzhinsk (noun)
people living in a large densely populated municipality	port city and industrial center in east central Ukraine on the Dnieper River
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter