ADDL
Set to 5 different clues across 10 published puzzles, most often “Extra: Abbr.” — The New York Times, Wednesday, 20 October 2010.
4 letters
Every clue on record, most used first
- Extra: Abbr.5 times
The New York Times — Wednesday, 20 October 2010
- Not included: Abbr.2 times
The New York Times — Sunday, 13 May 2007
- Like shipping and handling, typically: Abbr.once
The New York Times — Thursday, 4 December 2008
- Supplementary: Abbr.once
The New York Times — Wednesday, 13 August 2003
- Extra, in adsonce
The New York Times — Thursday, 12 December 2002