Answer: lifetimes

AnswerCrossword Clue
LIFETIMESExistences
LIFETIMESSpans of three-score years and ten.
lifetimesThe duration of a thing's existence or usefulness
lifetimesLIFETIME, the period of living existence
lifetimesUsed to express the view that a period is very long
lifetimesThe duration of a person's life