| bravery(noun, strength, spirit, determination, courage) |
| clock(noun, resolve, determination, firmness, persistence) |
| courageousness(noun, strength, determination, courage, firmness) |
| dauntlessness(noun, strength, determination, courage, firmness) |
| determination(noun, strength, spirit, resolve, courage) |
| diligence(noun, resolve, determination, firmness, persistence) |
| doggedness(noun, spirit, resolve, determination, firmness) |
| fearlessness(noun, strength, determination, courage, firmness) |
| firmness(noun, strength, resolve, determination, courage) |
| gutsiness(noun, strength, resolve, determination, courage) |
| guttiness(noun, resolve, determination, firmness, persistence) |
| hardihood(noun, strength, determination, courage, firmness) |
| heart(noun, strength, resolve, determination, courage) |
| inflexibility(noun, resolve, determination, firmness, persistence) |
| intestinal fortitude(noun, expression, spirit, resolve, determination) |
| intransigence(noun, resolve, determination, firmness, persistence) |
| intrepidity(noun, strength, determination, courage, firmness) |
| john wayne classic(expression, idiom) |
| nerve(noun, strength, spirit, resolve, determination) |
| obduracy(noun, resolve, determination, firmness, persistence) |