THESAURUS
ait, atoll, bar, cay, continental island, coral head, coral island, coral reef, holm, insularity, island, island group, islandology, isle, islet, key, oceanic island, reef, sandbank, sandbar
ROGET THESAURUS
Island
N
island, isle, islet, eyot, ait, holf, reef, atoll, breaker,
archipelago, islander, insular, seagirt, archipelagic, Fluids in Motion.