APOSTROPHE

Set to 4 different clues across 4 published puzzles, most often “Qur'an part” — The New York Times, Saturday, 9 July 2011.

10 letters

Every clue on record, most used first

Qur'an partonce
The New York Times — Saturday, 9 July 2011
Higher pair of black squares in this grid, typographicallyonce
The New York Times — Thursday, 9 September 2010
Cat-o'-nine-tails featureonce
The New York Times — Sunday, 3 March 2002
Entr'acte partonce
The New York Times — Saturday, 13 January 2001