Tennessee vs Tenn.

Tennessee and Tenn. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tennessee	Yes	No	No	No
Tenn.	Yes	No	No	No

As nouns, Tennessee and Tenn. are synonyms defined as:

Tennessee and Tenn.: a state in east central United States with capital Nashville

Other synonyms of Tennessee include TN, Volunteer State.

Tennessee (noun)	Tenn. (noun)
a state in east central United States with capital Nashville	a state in east central United States with capital Nashville
a river formed by the confluence of two other rivers near Knoxville; it follows a U-shaped course to become a tributary of the Ohio River in western Kentucky