Mass. vs Bay State

Mass. and Bay State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mass.	Yes	No	No	No
Bay State	Yes	No	No	No

As nouns, Mass. and Bay State are synonyms defined as:

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

Other synonyms of Mass. include MA, Massachusetts, Old Colony.

Mass. (noun)	Bay State (noun)
a state in New England, with capital Boston; one of the original 13 colonies	a state in New England, with capital Boston; one of the original 13 colonies