body snatcher vs derogation

body snatcher and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
body snatcher	Yes	No	No	No
derogation	Yes	No	No	No

body snatcher (noun)	derogation (noun)
someone who takes bodies from graves and sells them for anatomical dissection	(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