loggerhead vs derogation

loggerhead and derogation both are nouns.

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

loggerhead (noun)	derogation (noun)
very large carnivorous sea turtle; wide-ranging in warm open seas	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
a stupid person; these words are used to express a low opinion of someone's intelligence	a communication that belittles somebody or something