derogation vs gatecrasher

derogation and gatecrasher both are nouns.

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

derogation (noun)	gatecrasher (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who gets in (to a party) without an invitation or without paying
a communication that belittles somebody or something