| clanger(noun, lapse, blunder, miscalculation, gaffe) |
| confusion(noun, fault, mistake, lapse, error) |
| defect(noun, weakness, fault, failing, error) |
| delinquency(slip, failure, fault, mistake, lapse) |
| delusion(noun, slip, confusion, failure, fault) |
| deviation(noun, slip, failure, fault, mistake) |
| erratum(noun, slip, confusion, failure, fault) |
| failure(slip, fault, mistake, lapse, error) |
| fall(slip, failure, fault, mistake, lapse) |
| fallacy(noun, slip, failure, fault, mistake) |
| falsehood(slip, failure, fault, mistake, lapse) |
| falsity(slip, failure, fault, mistake, lapse) |
| flub(noun, slip, confusion, failure, fault) |
| flummox(error, muddle, blunder) |
| foulup(failure, error, muddle, blunder, overestimation) |
| gaffe(noun, confusion, failure, fault, mistake) |
| goof(noun, slip, failure, fault, mistake) |
| goof-up(failure, mistake, error, muddle, blunder) |
| howler(slip, failure, fault, mistake, lapse) |
| illusion(noun, confusion, fault, mistake, lapse) |