tinker's dam vs disparagement

tinker's dam and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
tinker's dam	Yes	No	No	No
disparagement	Yes	No	No	No

tinker's dam (noun)	disparagement (noun)
something of little value	the act of speaking contemptuously of
	a communication that belittles somebody or something