Bay State vs Massachusetts

Bay State and Massachusetts both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bay State	Yes	No	No	No
Massachusetts	Yes	No	No	No

As nouns, Bay State and Massachusetts are synonyms defined as:

Bay State and Massachusetts: a state in New England, with capital Boston; one of the original 13 colonies

Other synonyms of Bay State include MA, Mass., Old Colony.

Bay State (noun)	Massachusetts (noun)
a state in New England, with capital Boston; one of the original 13 colonies	the Algonquian language of the Massachuset
	a state in New England, with capital Boston; one of the original 13 colonies
	one of the British colonies that formed the United States, with capital Salem, Charlestown or Boston
	a member of the Algonquian people who formerly lived around Massachusetts Bay