Enter a clue or pattern or both:
The Clue
Substitutes (8 letter answer)
The Answer
STANDBYS
Tags
Notes
The answer STANDBYS is so rare that it appears less than once every 2500 puzzles.
Definition
STANDBY as a noun:
1. something that can be relied on when needed
2. (understudy, standby) = an actor able to replace a regular performer when required