Filed from 2 published puzzles

GOBETWEEN

Set to 2 different clues across 2 published puzzles, most often “Liaison” — The New York Times, Wednesday, 11 October 2006.

9 letters

Every clue on record, most used first

Liaisononce
The New York Times — Wednesday, 11 October 2006
Intermediary (or a title for this puzzle)once
The New York Times — Tuesday, 25 January 2005

Other answers to these clues

AMOUR5 letters
FRENCHCONNECTION16 letters
TIE3 letters