slasher vs derogation

slasher and derogation both are nouns.

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

slasher (noun)	derogation (noun)
a weapon (a sword or dagger) used for slashing	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
someone who slashes another person	a communication that belittles somebody or something