depose vs overturn

depose is not a noun while overturn is a noun.

Word	Noun	Adjective	Verb	Adverb
depose	No	No	Yes	No
overturn	Yes	No	Yes	No

As verbs, overturn is a hyponym of depose; that is, overturn is a word with a more specific, narrower meaning than depose:

Other hyponyms of depose include bring down, overthrow, subvert.

depose (noun)	overturn (noun)
	the act of upsetting something
	an improbable and unexpected victory

depose (verb)	overturn (verb)
make a deposition; declare under oath	change radically
force to leave (an office)	rule against
	cancel officially
	turn from an upright or normal position
	cause to overturn from an upright or normal position
	cause the downfall of; of rulers