derogation vs joker

derogation and joker both are nouns.

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

derogation (noun)	joker (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a playing card that is usually printed with a picture of a jester
a communication that belittles somebody or something	an inconspicuous clause in a document or bill that affects its meaning in a way that is not immediately apparent
	a person who enjoys telling or playing jokes
	a person who does something thoughtless or annoying