CENO
Set to 2 different clues across 3 published puzzles, most often “Recent: Prefix” — The New York Times, Sunday, 3 August 2003.
4 letters
Every clue on record, most used first
- Recent: Prefix2 times
The New York Times — Sunday, 3 August 2003
- The current "-zoic"once
The New York Times — Saturday, 7 August 1999