archipelago vs Low Archipelago

archipelago and Low Archipelago both are nouns.

Word	Noun	Adjective	Verb	Adverb
archipelago	Yes	No	No	No
Low Archipelago	Yes	No	No	No

archipelago (noun)	Low Archipelago (noun)
a group of many islands in a large body of water	a group of about 80 coral islands in French Polynesia