agitation vs unrest

agitation and unrest both are nouns.

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

As nouns, unrest is a hyponym of agitation; that is, unrest is a word with a more specific, narrower meaning than agitation:

Other hyponyms of agitation include fidget, fidgetiness, restlessness, stewing, stir, tumult, turmoil.

As nouns, agitation and unrest are synonyms defined as:

agitation and unrest: a state of agitation or turbulent change or development

Other synonyms of agitation include ferment, fermentation, tempestuousness.

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