Canadian Arctic Archipelago vs Arctic Archipelago

Canadian Arctic Archipelago and Arctic Archipelago both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian Arctic Archipelago	Yes	No	No	No
Arctic Archipelago	Yes	No	No	No

As nouns, Canadian Arctic Archipelago and Arctic Archipelago are synonyms defined as:

Canadian Arctic Archipelago and Arctic Archipelago: all the islands that lie to the north of mainland Canada and the Arctic Circle

Canadian Arctic Archipelago (noun)	Arctic Archipelago (noun)
all the islands that lie to the north of mainland Canada and the Arctic Circle	all the islands that lie to the north of mainland Canada and the Arctic Circle