| trepidation(noun, worry, strain, distress, shock) |
| panic(noun, start, worry, concern, excitement) |
| perturbation(noun, upset, worry, excitement, distress) |
| sweat(noun, worry, concern, excitement, informal) |
| unease(noun, activity, trouble, movement, disorder) |
| discomfort(noun, upset, trouble, disorder, worry) |
| disquietude(noun, activity, upset, trouble, movement) |
| foreboding(noun, feeling, worry, concern, distress) |
| jitters(noun, activity, movement, worry, concern) |
| terror(noun, start, excitement, distress, thing) |
| tizzy(noun, excitement, conflict, agitation, disturbance) |
| uncertainty(noun, upset, worry, concern, weakness) |
| apprehensiveness(noun, feeling, worry, strain, burden) |
| sorrow(noun, trouble, worry, concern, strain) |
| turbulence(noun, activity, movement, disorder, concern) |
| suspense(noun, worry, concern, excitement, strain) |
| tension(noun, force, power, worry, passion) |
| anxiousness(noun, disorder, confusion, feelings, disquiet) |
| discomposure(noun, worry, excitement, distress, agitation) |
| fright(noun, start, excitement, distress, thing) |