derogation vs hammerhead

derogation and hammerhead both are nouns.

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

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