revoke vs cancel

revoke and cancel both are nouns.

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

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

Other hypernyms of revoke include strike down.

revoke (noun)	cancel (noun)
the mistake of not following suit when able to do so	a notation cancelling a previous sharp or flat

revoke (verb)	cancel (verb)
cancel officially	make invalid for use
fail to follow suit when able and required to do so	remove or make invisible
	declare null and void; make ineffective
	postpone indefinitely or annul something that was scheduled
	make up for