| cancer(noun, disorder, evil, growth, illness) |
| chafe(verb, upset, trouble, bother, disturb) |
| chivvy |
| disquiet(noun, verb, upset, break, trouble) |
| haunt(verb, trouble, bother, disturb, worry) |
| heckle(verb, attack, hurt, press, bother) |
| hurt(noun, verb, upset, break, trouble) |
| infest(verb, adjective, trouble, bother, disturb) |
| irritation(noun, trouble, bother, concern, blow) |
| rack(noun, verb, upset, break, trouble) |
| ride(verb, upset, trouble, press, bother) |
| miff(verb, upset, break, trouble, get) |
| outbreak(noun, increase, disease, wave, rash) |
| pandemic(noun, disease, wave, reaction, eruption) |
| press(verb, adjective, trouble, get, force) |
| rash(noun, increase, disease, condition, wave) |
| aggrieve(verb, upset, break, trouble, get) |
| ail(verb, upset, break, trouble, get) |
| anguish(noun, verb, trouble, help, attack) |
| contagion(noun, disorder, bother, disease, condition) |