Filed from 6 published puzzles

OSMOSE

Set to 6 different clues across 6 published puzzles, most often “Diffuse slowly” — The New York Times, Sunday, 12 April 2009.

6 letters

Every clue on record, most used first

Diffuse slowlyonce
The New York Times — Sunday, 12 April 2009
Cause to be absorbedonce
The New York Times — Saturday, 15 February 2003
Diffuseonce
The New York Times — Sunday, 3 May 1998
Filtrateonce
The New York Times — Friday, 11 April 1997
Dialyzeonce
The New York Times — Friday, 30 June 1995
Absorb graduallyonce
The New York Times — Sunday, 31 July 1994