| uphill(noun, difficulty, fault, problem, flaw) |
| misstep(noun, difficulty, slip, failure, fault) |
| catch(noun, control, difficulty, limit, weakness) |
| failure(noun, difficulty, slip, weakness, fault) |
| absurdity(noun, difficulty, slip, failure, fault) |
| blunder(noun, difficulty, slip, failure, fault) |
| mistake(noun, difficulty, slip, weakness, crack) |
| drawback(noun, difficulty, crack, fault, blemish) |
| screw-up(noun, difficulty, slip, failure, fault) |
| slight(noun, difficulty, slip, failure, fault) |
| slip(noun, difficulty, failure, fault, mistake) |
| slipup(noun, difficulty, slip, weakness, failure) |
| stumble(noun, difficulty, slip, failure, fault) |
| wrongdoing(noun, difficulty, slip, failure, fault) |
| fallacy(noun, difficulty, slip, failure, fault) |
| misdeed(noun, difficulty, slip, failure, fault) |
| erratum(noun, difficulty, slip, failure, fault) |
| fall(noun, difficulty, slip, failure, fault) |
| falsehood(noun, difficulty, slip, failure, fault) |
| goof(noun, difficulty, slip, failure, fault) |