| vitality(noun, drive, power, strength) |
| fire(noun, activity, drive, power) |
| dash(noun, activity, drive, power) |
| pizzazz(noun, activity, drive, power) |
| animation(noun, activity, drive, power) |
| application(noun, activity, drive, power) |
| ardor(noun, activity, drive, power) |
| birr(noun, activity, drive, power) |
| effectiveness(noun, activity, drive, power) |
| efficacy(noun, activity, drive, power) |
| efficiency(noun, activity, drive, power) |
| endurance(noun, activity, drive, power) |
| exertion(noun, activity, drive, power) |
| fortitude(noun, activity, drive, power) |
| gusto(noun, passion, energy, spirit) |
| hardihood(noun, activity, drive, power) |
| intensity(noun, activity, drive, power) |
| juice(noun, activity, drive, power) |
| life(noun, activity, drive, power) |
| might(noun, activity, drive, power) |