derogation vs mongrel

derogation and mongrel both are nouns.

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

derogation (noun)	mongrel (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	an inferior dog or one of mixed breed
a communication that belittles somebody or something	derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin