Permafrost
Permafrost noun - Ground that is permanently frozen.
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Synonyms for Permafrost
Soil and permafrost are semantically related. In some cases you can use "Soil" instead a noun "Permafrost".
Soil
Soil noun - Foul matter that mars the purity or cleanliness of something.
Permafrost and soil are semantically related. Sometimes you can replace term "Permafrost" with "Soil", this nouns are similar.
Cite this Source
Soil and Permafrost. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/permafrost/soil
Permafrost & Soil. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/permafrost/soil>.
Soil or Permafrost. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/permafrost/soil.
Google Ngram Viewer shows how "permafrost" and "soil" have occurred on timeline