THALIA

Set to 7 different clues across 9 published puzzles, most often “Muse of comedy” — The New York Times, Tuesday, 25 March 2003.

6 letters

Every clue on record, most used first

Muse of comedy2 times
The New York Times — Tuesday, 25 March 2003
Sister of Clio2 times
The New York Times — Saturday, 12 January 2002
Name shared by a Grace and a Museonce
The New York Times — Saturday, 2 December 2006
Comedian's Museonce
The New York Times — Wednesday, 16 November 2005
Classic theater nameonce
The New York Times — Saturday, 5 August 2000
Sister of Calliopeonce
The New York Times — Sunday, 28 May 2000
Sister of Eratoonce
The New York Times — Saturday, 6 January 1996