Is this your crossword clue?
"correctness" is also used as a crossword clue. If that's what you saw, the answer is often accuracy (8 letters).
Definitions
conformity to fact or truth
Word origin
From correct + -ness.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“being accurate”11 letters
02“Accuracy”11 letters
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