Kentucky vs KY

Kentucky and KY both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kentucky	Yes	No	No	No
KY	Yes	No	No	No

As nouns, Kentucky and KY are synonyms defined as:

Kentucky and KY: a state in east central United States; a border state during the American Civil War; famous for breeding race horses

Other synonyms of Kentucky include Bluegrass State, Ken..

Kentucky (noun)	KY (noun)
a state in east central United States; a border state during the American Civil War; famous for breeding race horses	a state in east central United States; a border state during the American Civil War; famous for breeding race horses