overturn vs overturn

overturn and overturn both are nouns.

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

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

overturn (verb)	overturn (verb)
change radically	change radically
rule against	rule against
cancel officially	cancel officially
turn from an upright or normal position	turn from an upright or normal position
cause to overturn from an upright or normal position	cause to overturn from an upright or normal position
cause the downfall of; of rulers	cause the downfall of; of rulers