| explosiveness(noun, excitability) |
| fear and trembling(expression, idiom, fear) |
| fermentation(noun, excitement, agitation, unrest) |
| fever |
| fume(noun, excitement, agitation, unrest) |
| impatience(noun, worry, strain, anxiety, burden) |
| malaise(noun, upset, anxiety, doubt, apprehension) |
| palpitation(noun, worry, excitement, anxiety, fear) |
| seethe(noun, excitement, agitation, unrest) |
| skittishness |
| stew(noun, excitement, agitation, unrest) |
| stir(noun, excitement, agitation, unrest) |
| tempestuousness(noun, excitability) |
| timidity(noun, anxiety, agitation, fear, uneasiness) |
| volatility(noun, excitability) |
| worriment(noun, trouble, worry, concern, excitement) |
| all-overs(noun, trouble, worry, concern, anxiety) |
| bluster(distraction, frenzy, panic) |
| bustle(noun, activity, movement, anxiety, agitation) |
| cold creeps(expression, dread, willies, nail-biting) |