NOAM

Set to 5 different clues across 19 published puzzles, most often “Linguist Chomsky” — The New York Times, Sunday, 2 January 2011.

4 letters

Every clue on record, most used first

Linguist Chomsky12 times
The New York Times — Sunday, 2 January 2011
First name in linguistics4 times
The New York Times — Wednesday, 29 June 2011
First name among linguistsonce
The New York Times — Friday, 28 May 2010
Sitcom director Pitlikonce
The New York Times — Friday, 26 May 2006
Hebrew name meaning "sweetness"once
The New York Times — Saturday, 15 November 2003