| hole(noun, difficulty, weakness, crack, fault) |
| impediment(noun, difficulty, problem, obstacle) |
| knot(noun, difficulty, weakness, crack, fault) |
| obstacle(noun, difficulty, hindrance, problem, disadvantage) |
| obstruction(noun, delay, difficulty, hindrance, problem) |
| pickle(noun, difficulty, hindrance, problem) |
| blockade(difficulty, problem, disadvantage, impediment) |
| cropper(difficulty, problem, disadvantage, impediment) |
| disadvantage(difficulty, problem, impediment, hitch) |
| fix(difficulty, problem, impediment, hitch) |
| hamper(difficulty, problem, disadvantage, impediment) |
| hurdle(difficulty, problem, disadvantage, impediment) |
| inconvenience(difficulty, problem, disadvantage, impediment) |
| puzzler(difficulty, problem, disadvantage, impediment) |
| rub(difficulty, problem, disadvantage, impediment) |
| tight spot(expression, difficulty, disadvantage, impediment) |
| wrong(noun, difficulty, fault, problem, flaw) |