cancel vs vacate

cancel is a noun but vacate is not a noun.

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

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

cancel (noun)	vacate (noun)
a notation cancelling a previous sharp or flat

cancel (verb)	vacate (verb)
make invalid for use	cancel officially
remove or make invisible	leave behind empty; move out of
declare null and void; make ineffective	leave (a job, post, or position) voluntarily
postpone indefinitely or annul something that was scheduled
make up for