S: (n) spot, speckle, dapple, patch, fleck, maculation (a small contrasting part of something) "a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red"
S: (n) fret, Greek fret, Greek key, key pattern (an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)) "there was a simple fret at the top of the walls"
S: (n) fret (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)
Verb
S: (v) fuss, niggle, fret (worry unnecessarily or excessively) "don't fuss too much over the grandchildren--they are quite big now"
S: (v) fret (be agitated or irritated) "don't fret over these small details"
S: (v) fret (provide (a musical instrument) with frets) "fret a guitar"
S: (v) chafe, gall, fret (become or make sore by or as if by rubbing)