| gumption(noun, spirit, pluck, toughness) |
| heartiness(noun, resolution) |
| indefatigability(noun, resolution) |
| longanimity(noun, restraint, capacity, stamina, perseverance) |
| lustiness(noun, health, force, body, power) |
| manhood(noun, courage, maturity) |
| moral fiber(noun, expression, idiom, character, strength) |
| pertinacity(noun, strength, ability, resolution, capacity) |
| pith(noun, health, force, body, power) |
| robustness(noun, health, force, body, power) |
| self-control(noun, calm, restraint, capacity, poise) |
| starch(noun, strength, energy, spirit, ability) |
| stick-to-itiveness(noun, strength, courage, resilience) |
| stoicism(noun, restraint, capacity, stamina, perseverance) |
| sufferance(noun, strength, ability, restraint, resolution) |
| true grit(noun, expression, strength, spirit, courage) |
| bottle(noun, spirit, resolve, determination, courage) |
| chivalry(noun, character, courage, bravery, valor) |
| dash(noun, activity, go, drive, power) |
| long-suffering(noun, restraint, capacity, stamina, perseverance) |