Synonyms of underestimation

1 Syllable
slight, flub, fault, trip, fluff, slip
2 Syllables
slipup, muddle, neglect, lapse, misstep, bungle, misprint, boo-boo, blooper, blunder, gaffe, snafu
3 Syllables
omission, delusion, solecism, mistake, erratum, illusion, oversight, confusion, mistaking, misjudgment
4 Syllables
aberration, misreckoning, misconception, misstatement
5 Syllables
overvaluation, undervaluation, misestimation, inadvertence, inaccuracy, miscalculations, miscalculation, misapprehension, disparagement, misapplication
6 Syllables
overestimation, misinterpretation