PROBE
Set to 7 different clues across 9 published puzzles, most often “Exploratory spacecraft” — The New York Times, Monday, 21 March 2011.
5 letters
Every clue on record, most used first
- Exploratory spacecraft2 times
The New York Times — Monday, 21 March 2011
- Investigation2 times
The New York Times — Sunday, 6 September 1998
- Space exploreronce
The New York Times — Tuesday, 22 July 2003
- Grand jury's activityonce
The New York Times — Monday, 21 December 1998
- Deep-space missiononce
The New York Times — Tuesday, 14 April 1998
- Exploreonce
The New York Times — Tuesday, 6 May 1997
- Perscrutationonce
The New York Times — Saturday, 25 June 1994