| persistence(noun, resolution) |
| pith(noun, strength, determination, courage, firmness) |
| pugnacity(spirit, dash, courage) |
| rashness(spirit, dash, courage, daring, boldness) |
| recklessness(spirit, dash, courage, daring, boldness) |
| soldierly |
| spine(noun, strength, determination, courage, firmness) |
| starch(noun, strength, determination, courage, firmness) |
| staying power(expression, strength, determination, courage, firmness) |
| steadfastness(noun, resolution) |
| stick-to-itiveness(noun, strength, determination, courage, firmness) |
| stomach(noun, strength, determination, courage, firmness) |
| stoniness(noun, resolution) |
| stubbornness(noun, resolution) |
| temerity(spirit, dash, courage) |
| tirelessness(noun, resolution) |
| true grit(noun, expression, strength, determination, courage) |
| venturesomeness(spirit, dash, courage, nerve, daring) |
| virility(noun, character, courage, fortitude, bravery) |
| what it takes(noun, expression, idiom, strength, determination) |