ISO
Set to 39 different clues across 75 published puzzles, most often “Prefix with metric” — The New York Times, Tuesday, 21 June 2011.
3 letters
Every clue on record, most used first
- Prefix with metric14 times
The New York Times — Tuesday, 21 June 2011
- Equal: Prefix8 times
The New York Times — Tuesday, 4 January 2011
- Prefix with propyl5 times
The New York Times — Thursday, 31 August 2006
- Prefix with thermal4 times
The New York Times — Saturday, 7 April 2007
- Prefix with bar3 times
The New York Times — Tuesday, 15 April 2008
- Prefix with lateral2 times
The New York Times — Saturday, 21 March 2009
- Metric prefix2 times
The New York Times — Saturday, 24 December 2005
- Prefix with therm2 times
The New York Times — Sunday, 24 April 2005
- Prefix with -metric2 times
The New York Times — Monday, 3 November 2003
- Prefix with -gon2 times
The New York Times — Tuesday, 25 September 2001
- Equi-2 times
The New York Times — Sunday, 31 October 1999
- Bar opening2 times
The New York Times — Friday, 15 September 1995