ULTIMA

Set to 2 different clues across 2 published puzzles, most often “___ Thule, distant unknown land” — The New York Times, Thursday, 24 September 2009.

6 letters

Every clue on record, most used first

___ Thule, distant unknown landonce
The New York Times — Thursday, 24 September 2009
Last syllable of a wordonce
The New York Times — Friday, 30 December 1994