Enter a clue or pattern or both:
The Clue
About a month, for a fruit fly (8 letter answer)
The Answer
LIFESPAN
Tags
Notes
The answer LIFESPAN is so rare that it appears less than once every 2500 puzzles.
Definition
LIFESPAN as a noun:
1. (life, lifetime, life-time, lifespan) = the period during which something is functional (as between birth and death); "the battery had a short life"; "he lived a long and happy life"