| continuance(noun, movement, keep, strength, continue) |
| extension(noun, increase, line, spread, extra) |
| prolongation(noun, increase, keep, delay, development) |
| sequel(noun, increase, line, conclusion, extra) |
| supplement(noun, increase, delay, development, line) |
| survival(noun, strength, being, life, resolution) |
| perpetuation(noun, keep, line, spread, care) |
| persistence(noun, strength, continue, course, resolution) |
| protraction(noun, increase, delay, development, line) |
| duration(noun, increase, event, strength, continue) |
| endurance(noun, increase, strength, continue, line) |
| addition(noun, increase, delay, development, spread) |
| complement(noun, increase, extra, addition, additive) |
| continuity(noun, movement, increase, strength, continue) |
| postscript(noun, increase, line, extra, addition) |
| epilogue(noun, sequel) |
| maintenance(noun, support, keep, spread, care) |
| preservation(noun, increase, keep, line, spread) |
| progression(noun, persistence) |
| renewal(noun, continue) |