| perturb(verb, upset, trouble, bother, disturb) |
| pester(verb, upset, trouble, bother, disturb) |
| plague(verb, upset, trouble, bother, disturb) |
| quaver(verb, worry, avoid, fuss, fret) |
| question(verb, dispute, stick, challenge, doubt) |
| recoil |
| reform(verb, sorrow, deplore, regret, atone) |
| relent(verb, sorrow, deplore, regret, atone) |
| repent(verb, ask, grieve, lament, deplore) |
| repine(verb, grieve, lament, deplore, apologize) |
| reproach oneself(verb, expression, sorrow, deplore, regret) |
| rue(verb, grieve, lament, deplore, regret) |
| see error of ways(verb, expression, idiom, sorrow, deplore) |
| show penitence(verb, expression, sorrow, deplore, regret) |
| shudder(verb, worry, avoid, fuss, fret) |
| shun(verb, worry, avoid, fuss, fret) |
| sorrow(verb, deplore, regret, atone, apologize) |
| start(verb, worry, avoid, fuss, fret) |
| stew(verb, upset, trouble, bother, disturb) |
| strain |