township vs town

township and town both are nouns.

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

As nouns, township and town are synonyms defined as:

township (noun)	town (noun)
an administrative division of a county	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