derogation vs perjurer

derogation and perjurer both are nouns.

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

derogation (noun)	perjurer (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who deliberately gives false testimony
a communication that belittles somebody or something