overturn vs revoke

overturn and revoke both are nouns.

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

As verbs, overturn and revoke are synonyms defined as:

Other synonyms of overturn include annul, countermand, lift, repeal, rescind, reverse, vacate.

overturn (noun)	revoke (noun)
the act of upsetting something	the mistake of not following suit when able to do so
an improbable and unexpected victory

overturn (verb)	revoke (verb)
change radically	cancel officially
rule against	fail to follow suit when able and required to do so
cancel officially
turn from an upright or normal position
cause to overturn from an upright or normal position
cause the downfall of; of rulers