different between compurgation vs compurgatorial

English

From Latin compurg?ti?nem, from compurg?re (“to purify”).

compurgation (countable and uncountable, plural compurgations)

(now chiefly historical) Acquitting someone from a formal charge or accusation following the sworn oaths of a number of other people; vindication.
- 2012, Faramerz Dabhoiwala, The Origins of Sex, Penguin 2013, p. 23:
  Between the later middle ages and the early seventeenth century, compurgation appears to have become an increasingly onerous test to pass, perhaps reflecting tightening attitudes to sexual offenders.

compurgatorial (comparative more compurgatorial, superlative most compurgatorial)

Relating to a compurgator or to compurgation.
- 1866, Henry Charles Lea, Superstition and Force: Essays on the Wager of Law, the Wager of Battle, the Ordeal, Torture
  their compurgatorial oath

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