derogation vs blunderer

derogation and blunderer both are nouns.

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

derogation (noun)	blunderer (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who makes mistakes because of incompetence
a communication that belittles somebody or something