Enter a clue or pattern or both:
The Clue
Ralph Nader, notably (8 letter answer)
The Answer
WATCHDOG
Tags
Notes
The answer WATCHDOG is so rare that it appears less than once every 2500 puzzles.
Definition
WATCHDOG as a noun:
1. a guardian or defender against theft or illegal practices or waste; "she is the global watchdog for human rights abuses"
2. (watchdog, guard dog) = a dog trained to guard property