What's the difference between disaffirmance and disaffirmation?

Disaffirmance

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Definition:

• (n.) The act of disaffirming; denial; negation.
• (n.) Overthrow or annulment by the decision of a superior tribunal; as, disaffirmance of judgment.

Example Sentences:

Disaffirmation

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Definition:

• (n.) The act of disaffirming; negation; refutation.

Example Sentences: