| age(noun, decline, period, maturity, infirmity) |
| senility(noun, decline, weakness, life, period) |
| majority(noun, ability, experience, maturity, youth) |
| second childhood(noun, expression, decline, weakness, life) |
| adulthood(ability, experience, maturity, youth, parenthood) |
| anility(noun, decline, life, period, age) |
| childhood(noun, maturity, youth, parenthood) |
| decline(noun, maturity) |
| decrepitude(noun, weakness, period, age, infirmity) |
| dotage(noun, decline, weakness, period, age) |
| eld(noun, life, period, age) |
| infirmity(noun, weakness, period, age, feebleness) |
| longevity(noun, adjective, life, period, coma) |
| oldness(noun, life, period, age) |
| caducity(noun, period) |
| infancy |
| years(noun, period) |
| adolescence(noun, maturity, youth, parenthood) |
| advancing years(noun, life, period, age) |
| antiquity(noun, oldness) |