Canadian Maritime Provinces vs Maritimes

Canadian Maritime Provinces and Maritimes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian Maritime Provinces	Yes	No	No	No
Maritimes	Yes	No	No	No

As nouns, Canadian Maritime Provinces and Maritimes are synonyms defined as:

Canadian Maritime Provinces and Maritimes: the collective name for the Canadian provinces of New Brunswick and Nova Scotia and Prince Edward Island

Other synonyms of Canadian Maritime Provinces include Maritime Provinces, The Maritimes.

Canadian Maritime Provinces (noun)	Maritimes (noun)
the collective name for the Canadian provinces of New Brunswick and Nova Scotia and Prince Edward Island	the collective name for the Canadian provinces of New Brunswick and Nova Scotia and Prince Edward Island