hammerhead vs derogation

hammerhead and derogation both are nouns.

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

hammerhead (noun)	derogation (noun)
medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
the striking part of a hammer	a communication that belittles somebody or something
a stupid person; these words are used to express a low opinion of someone's intelligence