fret

noun

1
a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
2
an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
there was a simple fret at the top of the walls
3
a spot that has been worn away by abrasion or erosion
4
agitation resulting from active worry
don't get in a stew
he's in a sweat about exams

1
wear away or erode
2
remove soil or rock
Rain eroded the terraces
3
cause friction
my sweater scratches
4
be too tight; rub or press
This neckband is choking the cat
5
decorate with an interlaced design
6
carve a pattern into
7
be agitated or irritated
don't fret over these small details
8
gnaw into; make resentful or angry
The injustice rankled her
his resentment festered

Also useful for “fret”:Unscrambler— Turn loose letters into real words