swelled head vs disparagement

swelled head and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
swelled head	Yes	No	No	No
disparagement	Yes	No	No	No

swelled head (noun)	disparagement (noun)
an exaggerated opinion of your own importance	the act of speaking contemptuously of
	a communication that belittles somebody or something