| irritation(noun, painfulness) |
| knot(noun, trouble, difficulty, pain, struggle) |
| knottiness(noun, difficulty) |
| labor(noun, trouble, difficulty, pain, struggle) |
| mess(noun, trouble, difficulty, pain, struggle) |
| misery(noun, painfulness) |
| misfortune(noun, trouble, difficulty, pain, struggle) |
| muddle(noun, trouble, difficulty, pain, struggle) |
| obstacle(noun, trouble, difficulty, pain, struggle) |
| obstruction(noun, trouble, difficulty, pain, struggle) |
| odiousness(noun, painfulness) |
| offensiveness(noun, painfulness) |
| ordeal(noun, difficulty) |
| pain(noun, trouble, difficulty, struggle, obstacle) |
| perplexity(noun, trouble, difficulty, pain, struggle) |
| pickle(noun, trouble, difficulty, pain, struggle) |
| predicament(noun, trouble, difficulty, pain, struggle) |
| quagmire(noun, trouble, difficulty, pain, struggle) |
| quandary(noun, trouble, difficulty, pain, struggle) |
| rigorousness(noun, difficulty, discipline, strictness, laboriousness) |