| inactive(adjective, state, charge, quality, energy) |
| inoperative(adjective, state, charge, quality, energy) |
| instrument(noun, device, unit, tool, implement) |
| intensity(noun, charge, power, energy) |
| jigger(noun, device, unit, tool, implement) |
| kaput(adjective, state, charge, quality, energy) |
| kindling(noun, charge, power, energy, potency) |
| malfunctioning(adjective, state, charge, quality, energy) |
| mechanism(noun, device, unit, tool, implement) |
| pep(noun, charge, power, energy, intensity) |
| peppiness(noun, charge, power, energy, intensity) |
| propellant(noun, charge, power, energy, potency) |
| propellent(noun, charge, power, energy, potency) |
| puissance(noun, charge, power, energy, intensity) |
| sprightliness(noun, charge, power, energy, intensity) |
| stamina(noun, charge, power, energy, intensity) |
| steam(noun, charge, power, energy, intensity) |
| tool(noun, device, unit, implement) |
| useless(adjective, state, charge, quality, energy) |
| utensil(noun, device, unit, tool, implement) |