town vs cowtown

town and cowtown both are nouns.

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

As nouns, cowtown is a hyponym of town; that is, cowtown is a word with a more specific, narrower meaning than town:

Other hyponyms of town include burg, boom town, cow town, ghost town, hometown, Main Street, market town.

town (noun)	cowtown (noun)
the people living in a municipality smaller than a city	a small town in a cattle-raising area of western North America
an urban area with a fixed boundary that is smaller than a city
an administrative division of a county