blighter vs derogation

blighter and derogation both are nouns.

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

blighter (noun)	derogation (noun)
a persistently annoying person	(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