| robust(adjective, power, strength, energy, intense) |
| rugged(adjective, power, strength, energy, intense) |
| sinewy(adjective, power, strength, energy, intense) |
| solid(adjective, power, strength, energy, intense) |
| stable(adjective, power, strength, energy, intense) |
| stalwart(adjective, power, strength, energy, intense) |
| stout(adjective, power, strength, energy, intense) |
| strapping(adjective, power, strength, energy, intense) |
| strong declension(expression, power, great, strength, powerful) |
| strong demand(expression, power, great, strength, powerful) |
| strong derivative(expression, power, great, strength, powerful) |
| strong gale(expression, force, power, strength, heavy) |
| strong inference(expression, power, strength, heavy, stable) |
| strong wind(expression, feature, characteristic, hard, detail) |
| sturdy(adjective, power, strength, energy, intense) |
| substantial(adjective, power, strength, energy, intense) |
| thick(adjective, power, strength, energy, intense) |
| tough(adjective, power, strength, energy, intense) |
| unflagging(adjective, power, strength, energy, intense) |
| vigourous(adjective, power, strength, energy, intense) |