disparagement vs dog in the manger

disparagement and dog in the manger both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
dog in the manger	Yes	No	No	No

disparagement (noun)	dog in the manger (noun)
the act of speaking contemptuously of	someone who prevents you from enjoying something that they themselves have no need for
a communication that belittles somebody or something