Old Colony vs Massachusetts

Old Colony and Massachusetts both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old Colony	Yes	No	No	No
Massachusetts	Yes	No	No	No

As nouns, Old Colony and Massachusetts are synonyms defined as:

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

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

Old Colony (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