cancel vs schedule

cancel and schedule both are nouns.

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

cancel (noun)	schedule (noun)
a notation cancelling a previous sharp or flat	a temporally organized plan for matters to be attended to
	an ordered list of times at which things are planned to occur

cancel (verb)	schedule (verb)
make invalid for use	plan for an activity or event
remove or make invisible	make a schedule; plan the time and place for events
declare null and void; make ineffective
postpone indefinitely or annul something that was scheduled
make up for