FOLIC
Set to 3 different clues across 3 published puzzles, most often “Kind of acid found in spinach” — The New York Times, Sunday, 8 August 2010.
5 letters
Every clue on record, most used first
- Kind of acid found in spinachonce
The New York Times — Sunday, 8 August 2010
- ___ acid (B vitamin)once
The New York Times — Monday, 28 June 2004
- Kind of acidonce
The New York Times — Thursday, 23 May 1996