Exo
Rare
Rare adjective - Being out of the ordinary.
Mutual synonyms
Both words in one sentence
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Not Rare Over There: The exo-solar planet landed on is at a different geological point than Earth, and its different galactic position means that certain elements which were common on Earth are more rare there, and certain elements that were rare on Earth are common there.
Cite this Source
Rare and Exo. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/exo/rare
Exo & Rare. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/exo/rare>.
Rare or Exo. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/exo/rare.
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