MACHI
Set to 3 different clues across 3 published puzzles, most often “Speed of sound” — The New York Times, Sunday, 16 January 2011.
5 letters
Every clue on record, most used first
- Speed of soundonce
The New York Times — Sunday, 16 January 2011
- Chuck Yeager's breakthroughonce
The New York Times — Wednesday, 5 January 2011
- Military specialistonce
The New York Times — Sunday, 6 May 2001