Filed from 2 published puzzles

UNLOCK

Set to 2 different clues across 2 published puzzles, most often “Open” — The New York Times, Sunday, 23 August 2009.

6 letters

Every clue on record, most used first

  • Openonce

    The New York Times — Sunday, 23 August 2009

  • Use a key ononce

    The New York Times — Tuesday, 30 April 2002