disproof

• disprofe, disproufe (obsolete, 16th century)

From dis- +‎ proof, after disprove.

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disproof (plural disproofs)

1. A refutation.

• refutation
• confutation

• disprove

• “disproof”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “disproof”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “disproof”, in OneLook Dictionary Search.