derogation vs aspersion

derogation and aspersion both are nouns.

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

As nouns, aspersion is a hyponym of derogation; that is, aspersion is a word with a more specific, narrower meaning than derogation:

derogation (noun)	aspersion (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	an abusive attack on a person's character or good name
a communication that belittles somebody or something	the act of sprinkling water in baptism (rare)
	a disparaging remark