KY vs Bluegrass State

KY and Bluegrass State both are nouns.

Word	Noun	Adjective	Verb	Adverb
KY	Yes	No	No	No
Bluegrass State	Yes	No	No	No

As nouns, KY and Bluegrass State are synonyms defined as:

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

Other synonyms of KY include Ken., Kentucky.

KY (noun)	Bluegrass State (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