son of a bitch vs derogation

son of a bitch and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
son of a bitch	Yes	No	No	No
derogation	Yes	No	No	No

son of a bitch (noun)	derogation (noun)
insulting terms of address for people who are stupid or irritating or ridiculous	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
	a communication that belittles somebody or something