cancel vs defer

cancel is a noun but defer is not a noun.

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

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

cancel (verb)	defer (verb)
make invalid for use	yield to another's wish or opinion
remove or make invisible	hold back to a later time
declare null and void; make ineffective
postpone indefinitely or annul something that was scheduled
make up for