Octopus
Octopus noun - Bottom-living cephalopod having a soft oval body with eight long tentacles.
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Synonyms for Octopus
Shell and octopus are semantically related. in usually large topic. In some cases you can use "Shell" instead a noun "Octopus".
Both words in one sentence
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The blue-ringed octopus and the cone shell have the same type of venom; it paralyses you and stops your breathing, letting you quietly suffocate.
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Outside the shell, they're soft, octopus-like things with exposed brains and feebly wriggling tentacles.
Source: Clingy Costume -
Written and illustrated by Shaun Tan, The Lost Thing follows an unnamed narrator as he tells the reader, in flashback, about that time he found a lost thing—the lost thing being some bizarre, giant octopus/crab mix that's wearing a red metallic shell—and tried to find it a home.
Source: Literature / The Lost Thing
Cite this Source
Shell and Octopus. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/octopus/shell
Octopus & Shell. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/octopus/shell>.
Shell or Octopus. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/octopus/shell.
Google Ngram Viewer shows how "octopus" and "shell" have occurred on timeline