town vs Carlsbad

town and Carlsbad both are nouns.

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

town (noun)	Carlsbad (noun)
the people living in a municipality smaller than a city	a town in southeastern New Mexico on the Pecos River near the Mexican border; potash deposits
an urban area with a fixed boundary that is smaller than a city
an administrative division of a county