GUANO
Set to 3 different clues across 4 published puzzles, most often “Organic fertilizer” — The New York Times, Sunday, 14 December 2008.
5 letters
Every clue on record, most used first
- Organic fertilizer2 times
The New York Times — Sunday, 14 December 2008
- Rich fertilizeronce
The New York Times — Monday, 1 November 1999
- Nauru exportonce
The New York Times — Sunday, 18 December 1994