| preserving(verb, increase, line, extension, persistence) |
| procrastinating |
| producing(verb, increase, line, extension, persistence) |
| production(noun, increase, line, extension, persistence) |
| propagation(noun, extension, persistence, continuance) |
| purposefulness(noun, determination, resolution, endurance, persistence) |
| pursuance(noun, determination, resolution, endurance, persistence) |
| sedulity(noun, determination, resolution, endurance, persistence) |
| spunk(noun, determination, resolution, endurance, persistence) |
| stamina(noun, determination, resolution, endurance, persistence) |
| steadfastness(noun, determination, resolution, endurance, persistence) |
| stick-to-itiveness(noun, determination, resolution, endurance, persistence) |
| tenacity(noun, increase, line, determination, resolution) |
| unfolding |
| addition |
| addition maintenance(expression, increase, line, extension, persistence) |
| amplification |
| amplitude |
| area |
| assiduity(increase, line, extension, persistence, continuance) |