| evil doing(noun, expression, wrong, weakness, burden) |
| excitability(noun, mistake, rudeness, lapse, error) |
| failing(noun, wrong, slip, weakness, burden) |
| failure(noun, slip, fault, mistake, lapse) |
| fall(slip, failure, fault, mistake, lapse) |
| fallacy(slip, failure, fault, mistake, lapse) |
| falsehood(slip, failure, fault, mistake, lapse) |
| falsity(slip, failure, fault, mistake, lapse) |
| flounder |
| flummox(error, muddle, blunder) |
| foible(noun, wrong, slip, weakness, burden) |
| folly(noun, mistake, rudeness, lapse, error) |
| fool mistake(noun, expression, mistake, rudeness, lapse) |
| foolishness(noun, mistake, rudeness, lapse, error) |
| foozle |
| foul-up(noun, mistake, rudeness, lapse, error) |
| foulup(error, muddle, blunder) |
| frailty(noun, wrong, slip, weakness, burden) |
| gaff(noun, slip, failure, mistake, failing) |
| goof-up(noun, slip, failure, mistake, failing) |