| resilience(noun, state, quality, hard, power) |
| strength(noun, support, control, go, force) |
| tenacity(noun, health, state, force, quality) |
| stamina(noun, health, force, power, strength) |
| sturdiness(noun, health, support, control, force) |
| firmness(noun, health, support, control, force) |
| hardiness(noun, health, force, body, hard) |
| permanence(noun, support, control, strength, balance) |
| hardness(noun, support, control, power, strength) |
| harshness(noun, force, power, easy, difficulty) |
| severity(noun, power, easy, difficulty, condition) |
| backbone(noun, health, support, control, force) |
| grit(noun, strength, spirit, determination, resolution) |
| huskiness(noun, strength) |
| rigidity(noun, easy, condition, discipline, firmness) |
| ruggedness |
| solidity(noun, support, control, strength, balance) |
| stoutness(noun, health, force, body, power) |
| callousness(noun, insensitivity, hardness) |
| difficulty(noun, difficulty, discipline, strictness, hardness) |