| constitution(noun, health, strength, energy, condition) |
| continuance(noun, strength, determination, resolution, fortitude) |
| continuity(noun, strength, energy, life, resolution) |
| cool(noun, strength, ability, restraint, determination) |
| dash(noun, go, style, power, strength) |
| dedication(noun, resolve, determination, resolution, perseverance) |
| dogged perseverance |
| effectiveness(noun, activity, go, style, drive) |
| effervescence(noun, energy) |
| efficacy(noun, activity, go, drive, power) |
| efficiency(noun, activity, go, drive, power) |
| engrossment |
| enterprise(noun, power, strength, spirit, vigor) |
| enthusiasm(noun, go, energy, vigor, life) |
| eupepsia(noun, health, strength, energy, condition) |
| euphoria(noun, health, strength, energy, condition) |
| exuberance(noun, strength, energy, vivacity) |
| faithfulness(noun, resolution) |
| fervency(noun, resolution) |
| fettle(noun, health, strength, energy, condition) |