| glitch(noun, difficulty, weakness, informal, failure) |
| irk(verb, upset, break, trouble, get) |
| annoy(verb, upset, trouble, attack, press) |
| irritate(verb, upset, break, trouble, get) |
| pester(verb, upset, break, trouble, get) |
| harass(verb, upset, break, trouble, get) |
| vex(verb, upset, break, trouble, get) |
| bother(noun, verb, upset, break, trouble) |
| peeve(verb, upset, break, trouble, get) |
| provoke(verb, upset, trouble, get, bother) |
| flaw(noun, help, mark, weakness, spot) |
| plague(verb, upset, break, trouble, get) |
| exasperate(verb, upset, trouble, bother, disturb) |
| hound(noun, verb, upset, break, trouble) |
| trouble(noun, verb, upset, break, dull) |
| virus(noun, disorder, bother, disease, collapse) |
| badger(verb, upset, trouble, attack, press) |
| harry(verb, upset, break, trouble, get) |
| nettle(verb, upset, trouble, get, bother) |
| disease(noun, disorder, disease, informal, illness) |