calumnious vs denigrating

calumnious and denigrating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
calumnious	No	Yes	No	No
denigrating	No	Yes	No	No

As adjectives, calumnious and denigrating are synonyms defined as:

calumnious and denigrating: (used of statements) harmful and often untrue; tending to discredit or malign

Other synonyms of calumnious include calumniatory, defamatory, denigrative, denigratory, libellous, libelous, slanderous.

calumnious (adjective)	denigrating (adjective)
(used of statements) harmful and often untrue; tending to discredit or malign	(used of statements) harmful and often untrue; tending to discredit or malign