derogation vs pesterer

derogation and pesterer both are nouns.

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

derogation (noun)	pesterer (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a persistently annoying person
a communication that belittles somebody or something