dither vs agitation

dither and agitation both are nouns.

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

As nouns, agitation is a hypernym of dither; that is, agitation is a word with a broader meaning than dither:

dither (noun)	agitation (noun)
an excited state of agitation	disturbance usually in protest
	the act of agitating something; causing it to move around (usually vigorously)
	the feeling of being agitated; not calm
	a state of agitation or turbulent change or development
	a mental state of extreme emotional disturbance

dither (verb)	agitation (verb)
make a fuss; be agitated
act nervously; be undecided; be uncertain