Synonyms of miscounted

1 Syllable
err, blow
2 Syllables
discount, miscount, blunder, stumble, misread
3 Syllables
disregard, misreckon, misjudge, misconstrue, overlook
4 Syllables
overrate, misinterpret, underrate, misunderstand, undervalue, overvalue
6 Syllables
underestimate, overestimate