disparagement vs stumbler

disparagement and stumbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
stumbler	Yes	No	No	No

disparagement (noun)	stumbler (noun)
the act of speaking contemptuously of	a walker or runner who trips and almost falls
a communication that belittles somebody or something	someone who makes mistakes because of incompetence