archipelago vs dry land

archipelago and dry land both are nouns.

Word	Noun	Adjective	Verb	Adverb
archipelago	Yes	No	No	No
dry land	Yes	No	No	No

As nouns, dry land is a hypernym of archipelago; that is, dry land is a word with a broader meaning than archipelago:

Other hypernyms of archipelago include earth, ground, land, solid ground, terra firma.

archipelago (noun)	dry land (noun)
a group of many islands in a large body of water	the solid part of the earth's surface