Filed from 6 published puzzles

BOING

Set to 3 different clues across 6 published puzzles, most often “Spring sound” — The New York Times, Wednesday, 13 April 2011.

5 letters

Every clue on record, most used first

Spring sound4 times
The New York Times — Wednesday, 13 April 2011
Cartoon sound effectonce
The New York Times — Thursday, 23 March 2006
Sound of a springonce
The New York Times — Monday, 25 October 1999