city vs Madras

city and Madras both are nouns.

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

city (noun)	Madras (noun)
people living in a large densely populated municipality	a city in Tamil Nadu on the Bay of Bengal; formerly Madras
a large and densely populated urban area; may include several independent administrative districts	a state in southeastern India on the Bay of Bengal (south of Andhra Pradesh); formerly Madras
an incorporated administrative district established by state charter