piranha vs derogation

piranha and derogation both are nouns.

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

piranha (noun)	derogation (noun)
small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
someone who attacks in search of booty	a communication that belittles somebody or something