| persistence(noun, drive, power, strength, energy) |
| point(noun, power, strength, energy, effect) |
| punch(noun, control, force, charge, drive) |
| robustness(noun, strength, energy, spirit, life) |
| self-confidence(noun, drive, power, energy, resolve) |
| soul(noun, character, strength, effect, subject) |
| spice(noun, excitement, interest, informal, burn) |
| spine(noun, drive, strength, energy, resolve) |
| staunchness(noun, spirit, resolve, determination, firmness) |
| stoutheartedness(noun, force, quality, power, character) |
| sturdiness(noun, strength, toughness) |
| substance(noun, force, quality, character, strength) |
| tang(noun, excitement, taste, interest, informal) |
| temerity(noun, order, power, disregard, spirit) |
| vigor(noun, force, quality, drive, power) |
| virtue |
| vitality(noun, force, quality, drive, run) |
| zip(noun, force, quality, character, strength) |
| abdomens |
| adventurousness(noun, spirit, dash, courage, heart) |