disparagement vs know-it-all

disparagement and know-it-all both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
know-it-all	Yes	No	No	No

disparagement (noun)	know-it-all (noun)
the act of speaking contemptuously of	someone who thinks he knows everything and refuses to accept advice or information from others
a communication that belittles somebody or something