META

Set to 21 different clues across 33 published puzzles, most often “Prefix with physical” — The New York Times, Tuesday, 4 September 2007.

4 letters

Every clue on record, most used first

Prefix with physical6 times
The New York Times — Tuesday, 4 September 2007
Prefix with carpal3 times
The New York Times — Sunday, 16 January 2011
Prefix with physics3 times
The New York Times — Wednesday, 9 June 2010
Intro to physics?2 times
The New York Times — Wednesday, 14 January 2004
Introduction to physics?2 times
The New York Times — Wednesday, 19 March 2003
Physical beginning2 times
The New York Times — Thursday, 23 July 1998
Self-referential, informallyonce
The New York Times — Saturday, 30 July 2011
Having multiple layers of self-referenceonce
The New York Times — Friday, 10 June 2011
Prefix with -zoiconce
The New York Times — Sunday, 1 April 2007
Prefix with languageonce
The New York Times — Friday, 20 August 2004
Prefix with linguisticsonce
The New York Times — Sunday, 6 October 2002
Prefix with tarsalonce
The New York Times — Wednesday, 24 July 2002