| period(noun, time, present, turn, group) |
| age(noun, time, present, turn, point) |
| time(noun, time, group, course, stretch) |
| era(noun, time, present, turn, point) |
| date(noun, time, present, turn, point) |
| generation(noun, time, present, turn, group) |
| term(noun, time, present, turn, point) |
| cycle(noun, time, course, period) |
| course(noun, time, period, stage) |
| duration(noun, time, present, turn, point) |
| span(noun, time, present, turn, group) |
| stage(noun, time, present, turn, point) |
| eon |
| lifetime(noun, present, turn, point, course) |
| season(noun, present, turn, point, course) |
| spell(noun, time, present, turn, point) |
| world(noun, period, era, days) |
| days(noun, time, group, course, breed) |
| lastingness |
| longevity(noun, course, duration, lifetime) |