BOOSTER
Set to 3 different clues across 3 published puzzles, most often “Rah-rah sort” — The New York Times, Wednesday, 23 November 2005.
7 letters
Every clue on record, most used first
- Rah-rah sortonce
The New York Times — Wednesday, 23 November 2005
- Rocket stageonce
The New York Times — Sunday, 7 August 2005
- Supporteronce
The New York Times — Tuesday, 10 July 2001