disparagement vs dementedness

disparagement and dementedness both are nouns.

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

disparagement (noun)	dementedness (noun)
the act of speaking contemptuously of	mental deterioration of organic or functional origin
a communication that belittles somebody or something