| brood(verb, trouble, bother, concern, struggle) |
| disquietude(noun, trouble, regard, concern, strain) |
| disturbance(noun, activity, trouble, bother, defeat) |
| hassle(noun, verb, activity, upset, trouble) |
| hound(verb, upset, break, trouble, make) |
| load(noun, verb, trouble, charge, bother) |
| peeve(verb, upset, break, trouble, get) |
| pother(noun, verb, state, trouble, attack) |
| problem(noun, trouble, defeat, concern, strain) |
| put out(verb, expression, upset, trouble, bother) |
| qualm(noun, trouble, concern, distress, anxiety) |
| regret |
| worriment(noun, trouble, passion, concern, excitement) |
| agony(noun, trouble, passion, strain, distress) |
| bug(verb, upset, break, trouble, get) |
| confuse(verb, upset, trouble, attack, bother) |
| discomfort(noun, verb, upset, trouble, bother) |
| doubt(noun, verb, trouble, concern, distress) |
| dread(noun, verb, trouble, concern, excitement) |
| fuss(noun, verb, activity, state, trouble) |