Synonyms of miscalculated

1 Syllable
err, wrong, blow
2 Syllables
discount, wronging, wronger, fluffed, wrongest, miscount, blunder, stumble, misread
3 Syllables
disregard, misreckon, misjudge, misconstrue, overlook
4 Syllables
overrate, misinterpret, underrate, misunderstand, undervalue, misfigured, overvalue
6 Syllables
higgledy-piggledy, underestimate, overestimate