Filed from 3 published puzzles

HANGINTHERE

Set to 2 different clues across 3 published puzzles, most often "Keep going!" — The New York Times, Monday, 9 March 2009.

11 letters

Every clue on record, most used first

"Keep going!"2 times
The New York Times — Monday, 9 March 2009
Order to an art gallery worker?once
The New York Times — Sunday, 12 October 1997

Other answers to these clues

DONTGIVEUP10 letters
DONTSTOP8 letters
DONTSTOPNOW11 letters
NEVERSAYDIE11 letters
PERPETUATE10 letters
PERSIST7 letters
STAYWITHIT10 letters
TRYTRYAGAIN11 letters