Filed from 3 published puzzles

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