derogation vs rustler

derogation and rustler both are nouns.

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

derogation (noun)	rustler (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who steals livestock (especially cattle)
a communication that belittles somebody or something