AR vs Ark.

AR and Ark. both are nouns.

Word	Noun	Adjective	Verb	Adverb
AR	Yes	No	No	No
Ark.	Yes	No	No	No

As nouns, AR and Ark. are synonyms defined as:

AR and Ark.: a state in south central United States; one of the Confederate states during the American Civil War

Other synonyms of AR include Arkansas, Land of Opportunity.

AR (noun)	Ark. (noun)
a state in south central United States; one of the Confederate states during the American Civil War	a state in south central United States; one of the Confederate states during the American Civil War