Filed from 2 published puzzles

TOLERANCE

Set to 2 different clues across 2 published puzzles, most often “Immunologist's concern” — The New York Times, Saturday, 15 November 2008.

9 letters

Every clue on record, most used first

Immunologist's concernonce
The New York Times — Saturday, 15 November 2008
Zero ___once
The New York Times — Tuesday, 30 September 2008

Other answers to these clues

ANTIGEN7 letters
AUGHT5 letters
CIPHER6 letters
INON4 letters
LOVE4 letters
NADA4 letters
NIL3 letters
NONE4 letters
NONEATALL9 letters
NOTANY6 letters
NOTAONE7 letters
NOTAWHIT8 letters