practical joker vs disparagement

practical joker and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
practical joker	Yes	No	No	No
disparagement	Yes	No	No	No

practical joker (noun)	disparagement (noun)
someone who plays practical jokes on others	the act of speaking contemptuously of
	a communication that belittles somebody or something