derogation vs dissembler

derogation and dissembler both are nouns.

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

derogation (noun)	dissembler (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
a communication that belittles somebody or something