Arcane
Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Known
Known adjective - Apprehended with certainty.
Both words in one sentence
- Mathematics, and in particular calculus, is treated as arcane knowledge known only to the very smart or professional mathematicians, and opaque/useless to everyone else.
Source: Calculus Is Arcane Knowledge -
The Pace choke, an arcane submission also known as a "pillory choke," was used for the first time in a major competition by UFC fighter Nick Pace to defeat Will Campazano.
Source: Person as Verb -
The card of Death (but not, surprisingly, The Devil) in Tarots is also known as "The Nameless Arcane", since many feared that saying its name would summon it.
Source: Speak of the Devil
Cite this Source
Known and Arcane. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arcane/known
Arcane & Known. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arcane/known>.
Known or Arcane. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arcane/known.
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