dummy vs derogation

dummy and derogation both are nouns.

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

dummy (noun)	derogation (noun)
a figure representing the human form	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
a cartridge containing an explosive charge but no bullet	a communication that belittles somebody or something
an ignorant or foolish person
a person who does not talk

dummy (adjective)	derogation (adjective)
having the appearance of being real but lacking capacity to function

dummy (verb)	derogation (verb)
make a dummy of