OCCURS
Set to 3 different clues across 3 published puzzles, most often “Happens” — The New York Times, Monday, 17 September 2007.
6 letters
Every clue on record, most used first
- Happensonce
The New York Times — Monday, 17 September 2007
- Befallsonce
The New York Times — Sunday, 7 May 2006
- Becomes apparent (to)once
The New York Times — Thursday, 7 August 2003