| plodding |
| plugging |
| predictability |
| preoccupation |
| principle(noun, perseverance, reliability, faithfulness, steadiness) |
| probity(noun, support, honor, tie, devotion) |
| prolonging(noun, determination, resolution, endurance, persistence) |
| purposiveness(noun, spirit, resolve, determination, resolution) |
| pursuance(noun, determination, resolution, endurance, persistence) |
| quiescence |
| regularity(noun, harmony, perseverance, fitness, reliability) |
| responsibility(noun, ability, trustworthiness, maturity) |
| scrupulousness(noun, support, honor, tie, devotion) |
| sedulity(noun, determination, resolution, endurance, persistence) |
| self-confidence(noun, drive, energy, resolve, determination) |
| self-discipline(noun, courage, fortitude, stamina) |
| self-possession(noun, balance, poise, stability, steadiness) |
| sincerity(noun, support, honor, spirit, determination) |
| singleness(noun, support, honor, tie, devotion) |
| spine(noun, drive, energy, resolve, determination) |