derogation vs dike

derogation and dike both are nouns.

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

derogation (noun)	dike (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a barrier constructed to contain the flow of water or to keep out the sea
a communication that belittles somebody or something	(slang) offensive term for a lesbian who is noticeably masculine

derogation (verb)	dike (verb)
	enclose with a dike