Filed from 161 published puzzles

INRE

Set to 48 different clues across 161 published puzzles, most often “About” — The New York Times, Thursday, 16 September 2010.

4 letters

Every clue on record, most used first

  • About33 times

    The New York Times — Thursday, 16 September 2010

  • Concerning22 times

    The New York Times — Friday, 22 July 2011

  • Memo starter20 times

    The New York Times — Tuesday, 27 April 2010

  • Regarding9 times

    The New York Times — Sunday, 30 August 2009

  • As to8 times

    The New York Times — Sunday, 29 February 2004

  • Subject preceder5 times

    The New York Times — Saturday, 30 December 2006

  • Memo opener5 times

    The New York Times — Monday, 18 December 2006

  • About, on a memo4 times

    The New York Times — Thursday, 7 July 2011

  • Legal memo starter4 times

    The New York Times — Monday, 26 May 2008

  • Memo phrase4 times

    The New York Times — Wednesday, 16 April 2008

  • Apropos of3 times

    The New York Times — Wednesday, 8 April 1998

  • Concerning, on a memo2 times

    The New York Times — Monday, 1 February 2010