| indestructibility(noun, strength, toughness, permanence, sturdiness) |
| lasting quality |
| moxie(noun, time, strength, informal, resolution) |
| physical fitness(noun, soundness, wholeness, wellness, wholesomeness) |
| potency(noun, health, force, body, power) |
| reliability |
| rigidity(noun, firmness, protection, security, toughness) |
| security(noun, health, support, control, force) |
| solidness(noun, support, control, strength, balance) |
| stableness(noun, health, support, control, force) |
| stiffness(noun, firmness, protection, security, toughness) |
| stoutness(noun, health, force, body, power) |
| substance(noun, health, force, body, power) |
| abidingness |
| ability to last(noun, flexibility, suppleness, pliability, plasticity) |
| adherence(noun, support, control, strength, balance) |
| aplomb(noun, support, control, strength, balance) |
| assurance(noun, support, control, strength, balance) |
| balance(noun, support, control, strength, firmness) |
| brawn(noun, health, force, body, power) |