| kilowatt |
| life(noun, vigor, liveliness, vitality, get-up-and-go) |
| magnetism(noun, strength, vigor, heat, service) |
| potential(noun, strength, vigor, heat, service) |
| pressure(noun, strength, vigor, heat, service) |
| radioactivity(noun, strength, vigor, heat, service) |
| rays(noun, strength, vigor, heat, service) |
| reaction(noun, strength, vigor, heat, service) |
| response(noun, strength, vigor, heat, service) |
| service(noun, strength, vigor, heat, liveliness) |
| spirit(noun, vigor, liveliness, vitality, get-up-and-go) |
| stamina(noun, vigor, liveliness, vitality, get-up-and-go) |
| steam(noun, strength, vigor, heat, service) |
| strength(noun, vigor, heat, service, liveliness) |
| verve(noun, vigor, liveliness, vitality, get-up-and-go) |
| vigor(noun, liveliness, vitality, get-up-and-go, oomph) |
| vim(noun, vigor, liveliness, vitality, get-up-and-go) |
| vitality(noun, vigor, liveliness, get-up-and-go, oomph) |
| voltage(noun, strength, vigor, heat, service) |
| wattage(noun, strength, vigor, heat, service) |