agitation vs upheaval

agitation and upheaval both are nouns.

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

As nouns, agitation and upheaval are synonyms defined as:

Other synonyms of agitation include excitement, hullabaloo, turmoil.

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

agitation: a state of agitation or turbulent change or development
upheaval: a state of violent disturbance and disorder (as in politics or social conditions generally)

Other hypernyms of agitation include Sturm und Drang, turbulence.

agitation (noun)	upheaval (noun)
disturbance usually in protest	disturbance usually in protest
the act of agitating something; causing it to move around (usually vigorously)	(geology) a rise of land to a higher elevation (as in the process of mountain building)
the feeling of being agitated; not calm	a state of violent disturbance and disorder (as in politics or social conditions generally)
a state of agitation or turbulent change or development	a violent disturbance
a mental state of extreme emotional disturbance