Jack the Ripper vs disparagement

Jack the Ripper and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jack the Ripper	Yes	No	No	No
disparagement	Yes	No	No	No

Jack the Ripper (noun)	disparagement (noun)
an unidentified English murderer in the 19th century	the act of speaking contemptuously of
	a communication that belittles somebody or something