disclaimer vs repudiation

disclaimer and repudiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
disclaimer	Yes	No	No	No
repudiation	Yes	No	No	No

As nouns, repudiation is a hypernym of disclaimer; that is, repudiation is a word with a broader meaning than disclaimer:

disclaimer: (law) a voluntary repudiation of a person's legal claim to something
repudiation: rejecting or disowning or disclaiming as invalid

Other hypernyms of disclaimer include renunciation.

disclaimer (noun)	repudiation (noun)
(law) a voluntary repudiation of a person's legal claim to something	the exposure of falseness or pretensions
denial of any connection with or knowledge of	rejecting or disowning or disclaiming as invalid
	refusal to acknowledge or pay a debt or honor a contract (especially by public authorities)