| sock(noun, power, strength, energy, vigor) |
| soundness(noun, strength, substance, genuineness, rationality) |
| speed(noun, power, strength, energy, vigor) |
| steam(noun, power, strength, energy, vigor) |
| stimulus(noun, power, strength, energy, vigor) |
| strain(noun, power, strength, energy, vigor) |
| strong arm(noun, expression, power, strength, energy) |
| stuff(noun, power, strength, energy, vigor) |
| subjection(noun, power, strength, energy, vigor) |
| substance(noun, strength, genuineness, rationality, authenticity) |
| tension(noun, power, strength, energy, vigor) |
| trouble(noun, power, strength, energy, vigor) |
| trustworthiness(noun, reliability, validity, credibility, plausibility) |
| truth(substance, authenticity, realness) |
| truthfulness(noun, substance, authenticity, realness) |
| urge |
| use(noun, influence, effect, advantage, success) |
| usefulness(noun, end, reason, interest, use) |
| utility(noun, end, reason, interest, use) |
| value(use, success, efficiency) |