Cairo vs town

Cairo and town both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cairo	Yes	No	No	No
town	Yes	No	No	No

Cairo (noun)	town (noun)
the capital of Egypt and the largest city in Africa; a major port just to the south of the Nile delta; formerly the home of the Pharaohs	the people living in a municipality smaller than a city
a town at the southern tip of Illinois at the confluence of the Ohio and Mississippi Rivers	an urban area with a fixed boundary that is smaller than a city
	an administrative division of a county