Hardness
Hardness noun - Something that is a cause for suffering or special effort especially in the attainment of a goal.
Permanency and hardness are semantically related. In some cases you can replace term "Permanency" with "Hardness", this nouns are similar.
Permanency
Permanency noun - The property of being able to exist for an indefinite duration.
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Synonyms for Permanency
Hardness and permanency are semantically related. Sometimes you can use "Hardness" instead a noun "Permanency".
Mutual synonyms
Cite this Source
Permanency and Hardness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hardness/permanency
Hardness & Permanency. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hardness/permanency>.
Permanency or Hardness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hardness/permanency.
Google Ngram Viewer shows how "hardness" and "permanency" have occurred on timeline