| protraction(noun, act, increase, delay, development) |
| continuation(noun, increase, keep, delay, development) |
| extension(noun, act, increase, line, spread) |
| continuance(noun, increase, keep, line, spread) |
| lengthening(noun, increase, delay, development, spread) |
| perpetuation(noun, increase, keep, line, spread) |
| elongation(noun, act, increase, delay, development) |
| persistence(noun, course, track, period, extension) |
| maintenance(noun, support, keep, spread, care) |
| progression(endurance, stability, persistence, steadiness) |
| wing(noun, increase, delay, development, spread) |
| delay(noun, increase, development, spread, reach) |
| postponement(noun, increase, delay, development, spread) |
| production(noun, increase, delay, development, line) |
| run(noun, course, track, period, extension) |
| stretch(noun, increase, delay, development, spread) |
| continuity(noun, increase, line, course, track) |
| duration(noun, increase, event, line, course) |
| lengthiness |
| projection(noun, shoot, section, extension, annex) |