Filed from 2 published puzzles

VALIDATE

Set to 2 different clues across 2 published puzzles, most often “Confirm” — The New York Times, Friday, 29 January 2010.

8 letters

Every clue on record, most used first

  • Confirmonce

    The New York Times — Friday, 29 January 2010

  • Proveonce

    The New York Times — Sunday, 6 November 1994