cancel vs avoid

cancel is a noun but avoid is not a noun.

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

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

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

cancel (verb)	avoid (verb)
make invalid for use	stay clear from; keep away from; keep out of the way of someone or something
remove or make invisible	refrain from certain foods or beverages
declare null and void; make ineffective	declare invalid
postpone indefinitely or annul something that was scheduled	prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off
make up for	refrain from doing something