OMICRON
Set to 3 different clues across 3 published puzzles, most often “A fraternity chapter” — The New York Times, Friday, 10 March 2006.
7 letters
Every clue on record, most used first
- A fraternity chapteronce
The New York Times — Friday, 10 March 2006
- Pi precederonce
The New York Times — Tuesday, 22 February 2005
- Certain fraternity chapteronce
The New York Times — Saturday, 29 March 2003