| fire(noun, force, power, passion, strength) |
| fluster(noun, worry, excitement, anxiety, condition) |
| fuss(noun, trouble, worry, concern, excitement) |
| hatred(noun, conflict, hostility, enmity) |
| inimicality(noun, enmity) |
| jitters(noun, trouble, worry, concern, anxiety) |
| lengthening |
| malaise(noun, discontent, turbulence, strife) |
| mental strain(expression, idiom) |
| nervous tension(noun, expression, idiom, worry, strain) |
| row(noun, conflict, disagreement, opposition, hostility) |
| spring(noun, worry, strength, strain, anxiety) |
| strife(noun, energy, fight, dispute, split) |
| to-do(noun, worry, excitement, anxiety, condition) |
| traction(noun, worry, strain, anxiety, burden) |
| trepidation(noun, worry, excitement, strain, anxiety) |
| trouble(noun, power, worry, strength, energy) |
| tug(noun, energy, struggle, determination, exertion) |
| turbulence(noun, worry, excitement, anxiety, condition) |
| AC(power, energy, heat, current) |