city vs Argos

city and Argos both are nouns.

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

city (noun)	Argos (noun)
people living in a large densely populated municipality	an ancient city in southeastern Greece; dominated the Peloponnese in the 7th century BC
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter