LEOIX

Set to 2 different clues across 2 published puzzles, most often “Sainted 11th-century pope” — The New York Times, Tuesday, 23 February 2010.

5 letters

Every clue on record, most used first

Sainted 11th-century popeonce
The New York Times — Tuesday, 23 February 2010
Pope who created the Schism of 1054once
The New York Times — Thursday, 27 July 2000