14
island(noun, land, island, isle, islet)
12
reef(noun, bar, ridge, ledge, island)
8
isle(noun, island)
7
archipelago(noun, island, isle, islet)
6
islet(noun, island, isle)
6
key(noun, island, isle, islet)
5
cay(noun, bar, ridge, reef, beach)
4
holm(noun, island)
3
ait(noun, island)
3
coral island
3
coral reef(expression, idiom)
3
sandbank
2
ringlike island
2
sandbar
1
annular coral reef(expression, idiom)
1
bar(noun, ridge, isle, islet)
1
circular coral reef(expression, idiom)
1
breaker(noun, island)
1
continental island
1
ring-shaped reef
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APASmart Define. (2015). atoll thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/atoll/thesaurus/synonyms
ChicagoSmart Define. 2015. "atoll thesaurus" https://smartdefine.org/atoll/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, atoll thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/atoll/thesaurus/synonyms>.
MLASmart Define. "atoll thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/atoll/thesaurus/synonyms>