hurly burly vs upheaval

hurly burly and upheaval both are nouns.

Word	Noun	Adjective	Verb	Adverb
hurly burly	Yes	No	No	No
upheaval	Yes	No	No	No

As nouns, upheaval is a hyponym of hurly burly; that is, upheaval is a word with a more specific, narrower meaning than hurly burly:

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