| effect(noun, power, strength, energy, vigor) |
| effectiveness(noun, power, strength, energy, vigor) |
| efficacy(noun, power, strength, energy, vigor) |
| effort(noun, power, strength, energy, vigor) |
| emphasis(noun, drive, power, strength, energy) |
| energy(noun, drive, power, strength, authority) |
| enforcement(noun, power, strength, energy, vigor) |
| exaction(noun, power, strength, energy, vigor) |
| extortion(noun, power, strength, energy, vigor) |
| fierceness(noun, drive, power, strength, energy) |
| force(noun, power, strength, energy, vigor) |
| forcefulness(noun, power, strength, energy, vigor) |
| full head of steam(noun, expression, idiom, power, strength) |
| fury(noun, power, strength, energy, vigor) |
| gumption(noun, drive, power, strength, energy) |
| guts(noun, drive, power, strength, energy) |
| horsepower(noun, power, strength, energy, vigor) |
| impact(noun, power, strength, energy, vigor) |
| impetus(noun, power, strength, energy, vigor) |
| impressiveness(noun, drive, power, strength, energy) |