Question

what is the collective noun of Islands

Answer 1

collective noun of Islands
.a group of Islands
.a constellation of Islands

Answer 2

The word ‘archipelago’ is the “collective noun for islands”

EXPLANATION:

Collective nouns are the ones that are mentioned in groups. Words like herd and array are the examples of collective nouns.  The word ‘archipelago’ is the “collective noun for islands”. The other collective nouns of islands are constellation of islands, group of islands, and cluster of islands or chain of islands. The group of islands located in one place under a common name is called archipelago. Thus, a group of islands can be mentioned by any such names mentioned above.