| hardship(noun, trouble, passion, concern, blow) |
| inquietude(noun, concern, anxiety, doubt, fear) |
| interest(noun, verb, business, trouble, disturb) |
| lookout(noun, trouble, difficulty, problem) |
| malady(noun, trouble, defeat, distress, disturbance) |
| misfortune(noun, trouble, concern, strain, difficulty) |
| mistrust(noun, trouble, concern, strain, anxiety) |
| pest(noun, trouble, concern, strain, difficulty) |
| presentiment(noun, trouble, concern, distress, anxiety) |
| rattle(verb, upset, trouble, bother, disturb) |
| restlessness(noun, trouble, concern, strain, anxiety) |
| ride(verb, upset, trouble, bother, disturb) |
| roil(verb, upset, bother, annoy, irritate) |
| sorrow(noun, trouble, passion, concern, strain) |
| stir up(verb, expression, phrasal verb, upset, trouble) |
| throb(noun, verb, upset, disturb, excitement) |
| trepidity(noun, excitement, anxiety, agitation, fear) |
| unhinge(verb, upset, trouble, bother, disturb) |
| unnerve(verb, upset, bother, disturb, distress) |
| uproar(noun, excitement, agitation, stir, disturbance) |