derogation vs slaver

derogation and slaver both are nouns.

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

derogation (noun)	slaver (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person engaged in slave trade
a communication that belittles somebody or something	someone who holds slaves

derogation (verb)	slaver (verb)
	let saliva drivel from the mouth