| exertion(noun, vigor, liveliness, vitality, get-up-and-go) |
| fire(noun, vigor, liveliness, vitality, get-up-and-go) |
| forcefulness(noun, vigor, liveliness, vitality, get-up-and-go) |
| fortitude(noun, vigor, liveliness, vitality, get-up-and-go) |
| fuel |
| fuel cell(expression, idiom, power) |
| galvanism |
| get-up-and-go(noun, vigor, liveliness, vitality, oomph) |
| go(noun, vigor, liveliness, vitality, get-up-and-go) |
| hardihood(noun, vigor, liveliness, vitality, get-up-and-go) |
| heat conductivity(expression, idiom, calefaction) |
| hydraulic power(expression, idiom, power) |
| hydroelectric |
| hydroelectric power(expression, idiom, power) |
| initiative(noun, vigor, liveliness, vitality, get-up-and-go) |
| intensity(noun, vigor, liveliness, vitality, get-up-and-go) |
| life(noun, vigor, liveliness, vitality, get-up-and-go) |
| live circuit(expression, idiom, power) |
| live rail(expression, idiom, power) |
| live wire(expression, idiom, power) |