town vs Eureka

town and Eureka both are nouns.

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

town (noun)	Eureka (noun)
the people living in a municipality smaller than a city	a town in northwest California on an arm of the Pacific Ocean
an urban area with a fixed boundary that is smaller than a city	an alloy of copper and nickel with high electrical resistance and a low temperature coefficient; used as resistance wire
an administrative division of a county