town vs Cairo

town and Cairo both are nouns.

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

town (noun)	Cairo (noun)
the people living in a municipality smaller than a city	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
an urban area with a fixed boundary that is smaller than a city	a town at the southern tip of Illinois at the confluence of the Ohio and Mississippi Rivers
an administrative division of a county