WWF
Set to 2 different clues across 2 published puzzles, most often “Former grapplers' org.” — The New York Times, Thursday, 5 June 2008.
3 letters
Every clue on record, most used first
- Former grapplers' org.once
The New York Times — Thursday, 5 June 2008
- Org. for makers of pinsonce
The New York Times — Sunday, 20 January 2002