| stalwartness(noun, health, force, body, power) |
| stamina(noun, health, force, power, energy) |
| steadfastness(noun, support, control, strength, balance) |
| steadied |
| steadier |
| steadies |
| steadying |
| steamroller(noun, health, force, body, power) |
| stoutness(noun, health, force, body, power) |
| strong arm(noun, expression, health, force, body) |
| substance(noun, health, force, body, power) |
| substantiality(noun, support, control, strength, balance) |
| support(noun, control, strength, balance, firmness) |
| sureness(noun, support, control, change, strength) |
| tenacity(noun, health, force, body, power) |
| thew(noun, force, body, strength) |
| toughness(noun, health, support, control, force) |
| verdure(noun, health, force, body, power) |
| vigor(noun, health, force, body, power) |
| vim(noun, health, force, body, power) |