overturn vs cancel

overturn and cancel both are nouns.

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

As verbs, cancel is a hypernym of overturn; that is, cancel is a word with a broader meaning than overturn:

Other hypernyms of overturn include strike down.

overturn (noun)	cancel (noun)
the act of upsetting something	a notation cancelling a previous sharp or flat
an improbable and unexpected victory

overturn (verb)	cancel (verb)
change radically	make invalid for use
rule against	remove or make invisible
cancel officially	declare null and void; make ineffective
turn from an upright or normal position	postpone indefinitely or annul something that was scheduled
cause to overturn from an upright or normal position	make up for
cause the downfall of; of rulers