Incorrectness is a synonym of inaccuracy.
As nouns the difference between incorrectness and inaccuracy
is that incorrectness
is the characteristic of being incorrect while inaccuracy
is (uncountable) the property of being inaccurate; lack of accuracy.
The characteristic of being incorrect.
(uncountable) The property of being inaccurate; lack of accuracy.
(countable) A statement, passage etc. that is inaccurate or false.
(uncountable) Incorrect calibration of a measuring device, or incorrect use; lack of precision.
* (property) imprecision, incorrectness, inexactness
* (inaccurate/false statement etc.) error, mistake, fault