disparagement vs windbag

disparagement and windbag both are nouns.

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

disparagement (noun)	windbag (noun)
the act of speaking contemptuously of	a boring person who talks a great deal about uninteresting topics
a communication that belittles somebody or something