| inflexibility(noun, resolve, determination, severity, tension) |
| sturdiness(noun, health, support, control, change) |
| toughness(noun, health, support, control, force) |
| hardness(noun, support, control, change, strength) |
| nerve(noun, health, force, body, drive) |
| soundness(noun, health, support, control, change) |
| confidence(noun, support, help, drive, praise) |
| doggedness(noun, drive, honor, spirit, resolve) |
| pluck(noun, drive, power, strength, spirit) |
| purpose(noun, strong, drive, spirit, resolve) |
| purposefulness(noun, strong, drive, spirit, resolve) |
| rigidity(noun, severity, tension, harshness, toughness) |
| stiffness(noun, severity, tension, harshness, toughness) |
| stubbornness(noun, drive, spirit, resolve, determination) |
| aplomb(noun, support, control, strength, spirit) |
| bravery(noun, drive, power, strength, spirit) |
| consistency(noun, stability, texture, thickness, runniness) |
| durability(noun, health, support, control, force) |
| endurance(noun, support, control, power, honor) |
| guts(noun, drive, power, strength, spirit) |