| stomach(noun, strength, spirit, resolve, determination) |
| stoutness(noun, strength, confidence, firmness, bravery) |
| assurance(noun, drive, energy, spirit, resolve) |
| bosom(noun, emotion, mood, temperament, core) |
| bottom(substance, effect, meaning, courage, essence) |
| breast |
| contents(noun, pack, content, center, inside) |
| decisiveness(noun, drive, resolve, determination, motivation) |
| duodenum(noun, intestines) |
| face(noun, spirit, rudeness, assurance, courage) |
| get-up-and-go(noun, drive, strength, push, energy) |
| pith(noun, strength, effect, subject, emotion) |
| pluckiness(noun, spirit, dash, informal, courage) |
| power(noun, control, force, charge, drive) |
| spunkiness(noun, informal, courage) |
| stalwartness(noun, firmness, bravery) |
| steadfastness(noun, drive, energy, spirit, resolve) |
| tolerance(noun, strength, energy, ability, informal) |
| toughness(noun, strength, energy, spirit, determination) |
| valor(noun, drive, power, strength, energy) |