derogation vs stumbler

derogation and stumbler both are nouns.

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

derogation (noun)	stumbler (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a walker or runner who trips and almost falls
a communication that belittles somebody or something	someone who makes mistakes because of incompetence