Salonika vs city

Salonika and city both are nouns.

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

Salonika (noun)	city (noun)
a port city in northeastern Greece on an inlet of the Aegean Sea; second largest city of Greece	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