| effectiveness(noun, activity, go, drive, power) |
| efficacy(noun, activity, go, drive, power) |
| efficiency(noun, activity, go, drive, power) |
| endurance(noun, activity, go, drive, power) |
| energy(noun, vigor, liveliness, vitality, quickness) |
| enterprise(noun, power, strength, spirit, vigor) |
| evolution(noun, activity, move, action, act) |
| evolving(noun, activity, move, action, act) |
| exercise(noun, activity, move, action, act) |
| exertion(noun, activity, go, drive, power) |
| fire(noun, power, strength, spirit, vigor) |
| flight(noun, activity, move, action, act) |
| flow(noun, activity, move, action, act) |
| flux(noun, activity, move, action, act) |
| force(noun, power, strength, spirit, vigor) |
| forcefulness(noun, activity, go, drive, power) |
| fortitude(noun, activity, go, drive, power) |
| gesture(noun, activity, move, action, act) |
| get-up-and-go(noun, activity, go, drive, power) |
| go(noun, activity, drive, power, strength) |