| pushfulness |
| pushiness |
| pushingness |
| radioactivity(noun, strength, vigor, heat, service) |
| rays(noun, strength, vigor, heat, service) |
| reaction(noun, strength, vigor, heat, service) |
| regression(noun, activity, move, action, act) |
| resourcefulness(noun, creativity, inventiveness, wits, leadership) |
| response(noun, strength, vigor, heat, service) |
| roaming(noun, activity, move, action, act) |
| service(noun, strength, vigor, heat, liveliness) |
| shift(noun, activity, move, action, act) |
| shifting(noun, activity, move, action, act) |
| sinew(noun, trouble, power, strength, energy) |
| snap(noun, activity, action, go, drive) |
| sock(noun, trouble, power, strength, energy) |
| sparkle(noun, action, passion, energy, spirit) |
| speed(noun, trouble, power, strength, energy) |
| sprightliness(noun, action, passion, energy, spirit) |
| starch(noun, activity, action, go, drive) |