fret

Gnaw into; make resentful or angry.

Be too tight; rub or press.

Be agitated or irritated.

“don't fret over these small details”

Carve a pattern into.

Cause annoyance in.

Decorate with an interlaced design.

Provide (a musical instrument) with frets.

“fret a guitar”

Become or make sore by or as if by rubbing.

Cause friction.

Wear away or erode.

Worry unnecessarily or excessively.

Remove soil or rock.

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.

A spot that has been worn away by abrasion or erosion.

Agitation resulting from active worry.

An ornamental pattern consisting of repeated vertical and horizontal lines (often in relief).

“there was a simple fret at the top of the walls”