Filed from 3 published puzzles

BLEB

Set to 2 different clues across 3 published puzzles, most often “Air bubble” — The New York Times, Friday, 17 March 2000.

4 letters

Every clue on record, most used first

  • Air bubble2 times

    The New York Times — Friday, 17 March 2000

  • Blisteronce

    The New York Times — Sunday, 23 November 1997