ait, archipelago, atoll, bank, bar, cay, continental island, coral head, coral heads, coral island, coral reef, flat, ford, holm, insularity, ironbound coast, island, island group, islandology, isle, islet, key, ledges, lee shore, oceanic island, pitfall, quicksands, reef, rockbound coast, rocks, sandbar, sands, shallow, shallows, shelf, shoal, shoal water, shoals, tidal flats, undercurrent, undertow, wetlands

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