GUARE

Set to 2 different clues across 3 published puzzles, most often "The House of Blue Leaves" playwright — The New York Times, Sunday, 7 February 1999.

5 letters

Every clue on record, most used first

"The House of Blue Leaves" playwright2 times
The New York Times — Sunday, 7 February 1999
"Six Degrees of Separation" playwrightonce
The New York Times — Sunday, 8 April 2007