derogation vs fella

derogation and fella both are nouns.

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

derogation (noun)	fella (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a boy or man
a communication that belittles somebody or something