| strong(adjective, calm, person, body, strong) |
| persistent(adjective, strain, firmness, labour, hardiness) |
| firm(adjective, calm, strong, sound, tough) |
| stable(adjective, strong, sound, tough, strain) |
| sound(adjective, calm, strong, tough, right) |
| hard(adjective, person, body, strong, strength) |
| robust(adjective, person, body, strong, great) |
| sturdy(adjective, calm, person, body, strong) |
| substantial(adjective, calm, strong, sound, secure) |
| stiff(adjective, strong, strain, solid, firmness) |
| unfluctuating(adjective, strain, firmness, labour, hardiness) |
| stalwart(adjective, calm, person, body, strong) |
| durable(adjective, calm, strong, sound, secure) |
| tough(adjective, calm, person, body, strong) |
| fat(adjective, solid, big, heavy, awkward) |
| steady(adjective, calm, strong, sound, tough) |
| fast(adjective, calm, strong, tough, strain) |
| hardy(noun, adjective, person, body, strong) |
| husky(adjective, person, body, strong, sound) |
| corpulent(adjective, solid, big, heavy, awkward) |