| corner(noun, trouble, place, fix, easy) |
| disadvantage(noun, upset, trouble, disorder, weakness) |
| discomfort(noun, upset, trouble, worry, distress) |
| glitch(noun, delay, fault, hindrance, problem) |
| hazard(noun, trouble, disorder, worry, weakness) |
| headache(noun, trouble, strain, distress, care) |
| interference(noun, block, restraint, hindrance, problem) |
| irritation(noun, trouble, bother, worry, blow) |
| knot(noun, fix, worry, informal, mess) |
| knottiness(noun, complication, multiplicity, complicacy) |
| misunderstanding(noun, worry, fight, dispute, disagreement) |
| muddle(noun, state, trouble, disorder, confusion) |
| pressure(noun, trouble, charge, worry, pass) |
| strait(noun, fix, pass, burden, confusion) |
| stumbling block(noun, expression, idiom, trouble, disorder) |
| vicissitude(noun, trouble, worry, easy, blow) |
| arduousness(noun, situation, discipline, problem, adversity) |
| asperity(noun, trouble, fix, easy, temper) |
| care(noun, trouble, worry, concern, blow) |
| check(noun, verb, trouble, disorder, block) |