| foresee(worry, fret, agonize) |
| fret(verb, trouble, worry, concern, annoy) |
| fuss(verb, worry, fret, troubled, agonize) |
| gnaw |
| gnaw at(verb, expression, fuss, fret, troubled) |
| go for(verb, expression, fuss, fret, troubled) |
| goad(verb, fuss, fret, troubled, agonize) |
| harass(verb, trouble, worry, concern, annoy) |
| harry(verb, trouble, worry, concern, annoy) |
| hassle(verb, fuss, fret, troubled, agonize) |
| haunt |
| have butterflies(expression, worry, fret, agonize) |
| have qualms(verb, expression, worry, fuss, fret) |
| hector(verb, fuss, fret, troubled, agonize) |
| importune(verb, fuss, fret, troubled, agonize) |
| irritate(verb, trouble, worry, concern, annoy) |
| look askance at(verb, expression, idiom, care, object) |
| lose courage(expression, worry, fret, agonize) |
| lose sleep(verb, expression, worry, fuss, fret) |
| mind(care, object) |