| effectiveness(noun, power, strength, energy, vigor) |
| efficacy(noun, power, strength, energy, vigor) |
| elasticity |
| emphasis(noun, power, strength, energy, vigor) |
| energy(noun, power, strength, vigor, might) |
| exertion |
| fierceness(noun, power, strength, energy, vigor) |
| fire |
| force(noun, power, strength, energy, vigor) |
| forcefulness(noun, power, strength, energy, vigor) |
| go |
| gumption(noun, power, strength, energy, vigor) |
| guts(noun, power, strength, energy, vigor) |
| impressiveness(noun, power, strength, energy, vigor) |
| influence(noun, power, strength, energy, vigor) |
| intensity(noun, power, strength, energy, vigor) |
| intentness |
| intestinal fortitude(noun, expression, power, strength, energy) |
| mental power(noun, expression, power, strength, energy) |
| obligation(noun, power, strength, energy, vigor) |