Filed from 3 published puzzles

DEGREE

Set to 2 different clues across 3 published puzzles, most often “Extent” — The New York Times, Sunday, 24 June 2001.

6 letters

Every clue on record, most used first

Extent2 times
The New York Times — Sunday, 24 June 2001
Standard accreditationonce
The New York Times — Saturday, 11 July 1998

Other answers to these clues

AREA4 letters
DURATION8 letters
LENGTH6 letters
REACH5 letters
SPAN4 letters