| alarm(noun, upset, worry, concern, strain) |
| alternation(noun, anxiety, weakness, uncertainty, shake) |
| apprehension(noun, upset, trouble, worry, concern) |
| bother(noun, trouble, disorder, anxiety, shock) |
| botheration(noun, trouble, worry, concern, anxiety) |
| brouhaha(noun, trouble, disorder, excitement, shock) |
| bustle(noun, activity, movement, disorder, anxiety) |
| capriciousness(noun, anxiety, weakness, uncertainty, shake) |
| care(noun, trouble, worry, concern, anxiety) |
| despondency |
| discontentment(noun, unhappiness, dissatisfaction) |
| disequilibrium(noun, anxiety, weakness, uncertainty, shake) |
| dither(disorder, confusion, discontent, turbulence, chaos) |
| eagerness(noun, passion, desire, excitement, anxiety) |
| ennui(discontent, turbulence, strife) |
| fermentation |
| fickleness(noun, anxiety, weakness, uncertainty, shake) |
| fitfulness(noun, activity, movement, anxiety, weakness) |
| flap(noun, trouble, disorder, worry, concern) |
| fluctuation(noun, anxiety, weakness, uncertainty, shake) |