derogation vs pinhead

derogation and pinhead both are nouns.

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

derogation (noun)	pinhead (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	the head of a pin
a communication that belittles somebody or something	an ignorant or foolish person