denial vs disclaimer

denial and disclaimer both are nouns.

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

As nouns, disclaimer is a hyponym of denial; that is, disclaimer is a word with a more specific, narrower meaning than denial:

Other hyponyms of denial include abnegation, naysaying, negative, refusal, disavowal.

denial (noun)	disclaimer (noun)
a defendant's answer or plea denying the truth of the charges against him	(law) a voluntary repudiation of a person's legal claim to something
renunciation of your own interests in favor of the interests of others	denial of any connection with or knowledge of
the act of refusing to comply (as with a request)
the act of asserting that something alleged is not true
(psychiatry) a defense mechanism that denies painful thoughts