YOOHOO

Set to 4 different clues across 5 published puzzles, most often "Hello-o-o!" — The New York Times, Saturday, 15 August 2009.

6 letters

Every clue on record, most used first

"Hello-o-o!"2 times
The New York Times — Saturday, 15 August 2009
"Anyone home?" callonce
The New York Times — Wednesday, 27 August 2003
Cry sometimes accompanied by a 62-Acrossonce
The New York Times — Thursday, 25 April 2002
"Anyone home?"once
The New York Times — Wednesday, 22 September 1999