calumniation vs disparagement

calumniation and disparagement both are nouns.

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

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

calumniation: 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 calumniation include depreciation, derogation.

calumniation (noun)	disparagement (noun)
a false accusation of an offense or a malicious misrepresentation of someone's words or actions	the act of speaking contemptuously of
	a communication that belittles somebody or something