names vs calumniation

names and calumniation both are nouns.

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

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

names: verbal abuse; a crude substitute for argument
calumniation: a false accusation of an offense or a malicious misrepresentation of someone's words or actions

Other hypernyms of names include calumny, defamation, hatchet job, obloquy, traducement.

names (noun)	calumniation (noun)
verbal abuse; a crude substitute for argument	a false accusation of an offense or a malicious misrepresentation of someone's words or actions