Both of those words have Levenshtein distance 1 from what GP wrote.
Maybe let's give them the benefit of the doubt and assume they meant the one that doesn't sound like a type-error/makes sense and avoids outrageousness?
Raical has a Levenshtein distance of 2 from racial. Swapping two characters is a deletion + insertion. You'd need to use Damerau-Levenshtein distance for transposition to count as 1 operation.