Cavern
Fissure
Fissure noun - An irregular usually narrow break in a surface created by pressure.
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Synonyms for Fissure
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Fissure and Cavern. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/cavern/fissure
Cavern & Fissure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/cavern/fissure>.
Fissure or Cavern. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/cavern/fissure.
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