fret vs dither

fret and dither both are nouns.

Word	Noun	Adjective	Verb	Adverb
fret	Yes	No	Yes	No
dither	Yes	No	Yes	No

As verbs, dither is a hyponym of fret; that is, dither is a word with a more specific, narrower meaning than fret:

As verbs, dither is a hyponym of fret; that is, dither is a word with a more specific, narrower meaning than fret:

Other hyponyms of fret include scruple, flap, pother.

fret (noun)	dither (noun)
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	an excited state of agitation
an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
a spot that has been worn away by abrasion or erosion
agitation resulting from active worry

fret (verb)	dither (verb)
wear away or erode	make a fuss; be agitated
remove soil or rock	act nervously; be undecided; be uncertain
cause friction
be too tight; rub or press
decorate with an interlaced design
carve a pattern into
be agitated or irritated
cause annoyance in
gnaw into; make resentful or angry
worry unnecessarily or excessively
become or make sore by or as if by rubbing
provide (a musical instrument) with frets