calumny vs disparagement

calumny and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
calumny	Yes	No	No	No
disparagement	Yes	No	No	No

As nouns, disparagement is a hypernym of calumny; that is, disparagement is a word with a broader meaning than calumny:

calumny: a false accusation of an offense or a malicious misrepresentation of someone's words or actions
disparagement: a communication that belittles somebody or something

Other hypernyms of calumny include depreciation, derogation.

calumny (noun)	disparagement (noun)
an abusive attack on a person's character or good name	the act of speaking contemptuously of
a false accusation of an offense or a malicious misrepresentation of someone's words or actions	a communication that belittles somebody or something