| action(noun, experience, exploit, emprise, gest) |
| aeon(noun, time, period, identity, era) |
| age group(noun, time, period, identity, era) |
| baptism(noun, experience, exploit, emprise, gest) |
| bimillennial(noun, time, period, era) |
| breed(noun, time, period, identity, era) |
| chiliad |
| chiliastic |
| contemporaries(noun, time, period, identity, era) |
| continuance(noun, life, date, life span) |
| crop(noun, time, period, identity, era) |
| cycle(noun, period, age, era, epoch) |
| days(noun, time, period, identity, era) |
| decamillennial(noun, time, period, era) |
| deed(noun, experience, exploit, emprise, gest) |
| destruction(noun, time, period, identity, era) |
| doing(noun, experience, exploit, emprise, gest) |
| duration(noun, life, date, continuance, life span) |
| emprise(noun, experience, exploit, gest) |
| enterprise(noun, experience, exploit, emprise, gest) |