| day(noun, time, period, age, identity) |
| span(noun, time, life, period, age) |
| spell(noun, moment, flash, life, period) |
| stretch(noun, moment, flash, life, period) |
| age(noun, life, period, date, continuance) |
| bit(noun, moment, flash, period, occasion) |
| date(noun, life, period, age, continuance) |
| epoch(noun, time, period, age, identity) |
| period(noun, time, age, identity) |
| space(noun, moment, flash, period, occasion) |
| while(noun, moment, flash, period, occasion) |
| incipient(noun, time, period, identity) |
| millenia(noun, time, period, identity) |
| millenium(noun, time, period, identity) |
| millennia(noun, time, period, identity) |
| premillennial(noun, time, period, identity) |
| aeon(noun, time, period, identity) |
| age group(noun, time, period, identity) |
| bimillennial(noun, time, period) |
| breed(noun, time, period, identity) |