Filed from 2 published puzzles

CHRONO

Set to 2 different clues across 2 published puzzles, most often “Time: Prefix” — The New York Times, Wednesday, 4 August 2010.

6 letters

Every clue on record, most used first

Time: Prefixonce
The New York Times — Wednesday, 4 August 2010
Prefix with logicalonce
The New York Times — Wednesday, 11 June 1997

Other answers to these clues

ECO3 letters
GEO3 letters
IDEO4 letters
NEURO5 letters
PATHO5 letters
SOCIO5 letters
TELEO5 letters