abrogation vs cancellation

abrogation and cancellation both are nouns.

Word	Noun	Adjective	Verb	Adverb
abrogation	Yes	No	No	No
cancellation	Yes	No	No	No

As nouns, cancellation is a hypernym of abrogation; that is, cancellation is a word with a broader meaning than abrogation:

abrogation (noun)	cancellation (noun)
the act of abrogating; an official or legal cancellation	the act of cancelling; calling off some arrangement
	the speech act of revoking or annulling or making void