turmoil vs upheaval

turmoil and upheaval both are nouns.

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

As nouns, turmoil and upheaval are synonyms defined as:

Other synonyms of turmoil include agitation, excitement, hullabaloo.

As nouns, turmoil and upheaval are synonyms defined as:

Other synonyms of turmoil include convulsion.

turmoil (noun)	upheaval (noun)
disturbance usually in protest	disturbance usually in protest
violent agitation	(geology) a rise of land to a higher elevation (as in the process of mountain building)
a violent disturbance	a state of violent disturbance and disorder (as in politics or social conditions generally)
	a violent disturbance