cold water vs disparagement

cold water and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
cold water	Yes	No	No	No
disparagement	Yes	No	No	No

As nouns, disparagement is a hypernym of cold water; that is, disparagement is a word with a broader meaning than cold water:

Other hypernyms of cold water include depreciation, derogation.

cold water (noun)	disparagement (noun)
disparagement of a plan or hope or expectation	the act of speaking contemptuously of
	a communication that belittles somebody or something