the mind > mental capacity > knowledge > conformity with what is known, truth > disregard for truth, falsehood > inaccuracy, inexactness > incorrectness of language > [noun] > error in written mode > accidental repetition
dittography1876
dittographing1944
1944 C. L. Wrenn in Trans. Philol. Soc. 1943 20 The -i of maegsibbi seems obviously to be a mere dittographing of the i of affectui.