Dortmund vs city

Dortmund and city both are nouns.

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

Dortmund (noun)	city (noun)
an industrial city in northwestern Germany; flourished from the 13th to 17th century as a member of the Hanseatic League	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter