polish off vs disparagement

polish off is not a noun while disparagement is a noun.

Word	Noun	Adjective	Verb	Adverb
polish off	No	No	Yes	No
disparagement	Yes	No	No	No

polish off (noun)	disparagement (noun)
	the act of speaking contemptuously of
	a communication that belittles somebody or something

polish off (verb)	disparagement (verb)
finish a task completely
finish eating all the food on one's plate or on the table
kill intentionally and with premeditation