| mettle(noun, power, strength, spirit, ability) |
| single-mindedness(noun, drive, passion, energy, resolve) |
| viscidity |
| will(noun, drive, strength, ability, determination) |
| application(noun, resolve, firmness, obstinacy, stubbornness) |
| chutzpah(noun, spirit, resolve, informal, firmness) |
| cling(noun, verb, reason, agreement, integrity) |
| courageousness(noun, power, strength, spirit, dash) |
| dedication(noun, drive, passion, energy, spirit) |
| earnestness(noun, honor, spirit, determination, resolution) |
| fearlessness(noun, drive, power, strength, energy) |
| grip(noun, grasp, embrace, retention) |
| heart(noun, drive, power, strength, energy) |
| lastingness(noun, strength, resolution, fortitude, stamina) |
| perversity(noun, state, quality, resist, determination) |
| pluckiness(noun, spirit, dash, courage) |
| power(noun, health, force, body, strength) |
| sedulity(noun, determination, resolution, perseverance, endurance) |
| sedulousness |
| stability(noun, health, force, body, power) |