Filed from 2 published puzzles

HEREITIS

Set to 2 different clues across 2 published puzzles, most often "Voilà!" — The New York Times, Saturday, 9 August 2008.

8 letters

Every clue on record, most used first

"Voilà!"once
The New York Times — Saturday, 9 August 2008
Cry of discoveryonce
The New York Times — Saturday, 5 March 2005

Other answers to these clues

AHA3 letters
TADA4 letters
THERE5 letters
THEREYOUARE11 letters