mocker vs derogation

mocker and derogation both are nouns.

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

mocker (noun)	derogation (noun)
long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
someone who jeers or mocks or treats something with contempt or calls out in derision	a communication that belittles somebody or something