hometown vs town

hometown and town both are nouns.

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

As nouns, town is a hypernym of hometown; that is, town is a word with a broader meaning than hometown:

hometown: the town (or city) where you grew up or where you have your principal residence
town: an urban area with a fixed boundary that is smaller than a city

hometown (noun)	town (noun)
the town (or city) where you grew up or where you have your principal residence	the people living in a municipality smaller than a city
	an urban area with a fixed boundary that is smaller than a city
	an administrative division of a county