Filed from 1 published puzzle

BOWLERSHEADACHE

Set once, to “Split” — The New York Times, Tuesday, 24 December 2002.

15 letters

Other answers to these clues

APART5 letters
BISECT6 letters
BISECTED8 letters
BRANCHED8 letters
BREAKUP7 letters
CHAP4 letters
CLEAVE6 letters
CLEAVED7 letters
CLEFT5 letters
CLOVEN6 letters
DASHEDAWAY10 letters
DEPART6 letters