ETCHANT
Set to 2 different clues across 2 published puzzles, most often “Aquatinting acid” — The New York Times, Saturday, 3 November 2007.
7 letters
Every clue on record, most used first
- Aquatinting acidonce
The New York Times — Saturday, 3 November 2007
- Acid, at timesonce
The New York Times — Sunday, 21 February 1999