Filed from 12 published puzzles

COHERE

Set to 5 different clues across 12 published puzzles, most often “Stick together” — The New York Times, Wednesday, 19 October 2005.

6 letters

Every clue on record, most used first

Stick together5 times
The New York Times — Wednesday, 19 October 2005
Stick3 times
The New York Times — Friday, 19 September 2008
Hold fast2 times
The New York Times — Sunday, 18 April 2004
Clingonce
The New York Times — Thursday, 15 July 1999
Stick (to)once
The New York Times — Monday, 30 November 1998

Other answers to these clues

ADHERE6 letters
ANCHOR6 letters
ATTACH6 letters
CAKE4 letters
CANE4 letters
CLEAVE6 letters
CLING5 letters
CLOT4 letters
CLUMP5 letters
GLUE4 letters
GORE4 letters
IMPALE6 letters