excitement vs upheaval

excitement and upheaval both are nouns.

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

As nouns, excitement and upheaval are synonyms defined as:

Other synonyms of excitement include agitation, hullabaloo, turmoil.

excitement (noun)	upheaval (noun)
something that agitates and arouses	disturbance usually in protest
disturbance usually in protest	(geology) a rise of land to a higher elevation (as in the process of mountain building)
the feeling of lively and cheerful joy	a state of violent disturbance and disorder (as in politics or social conditions generally)
the state of being emotionally aroused and worked up	a violent disturbance