Filed from 2 published puzzles

ALLIANCE

Set to 2 different clues across 2 published puzzles, most often “Union” — The New York Times, Thursday, 9 November 2006.

8 letters

Every clue on record, most used first

  • Uniononce

    The New York Times — Thursday, 9 November 2006

  • NATO, for oneonce

    The New York Times — Wednesday, 6 October 1999