indulgence vs derogation

indulgence and derogation both are nouns.

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

indulgence (noun)	derogation (noun)
the act of indulging or gratifying a desire	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
foolish or senseless behavior	a communication that belittles somebody or something
the remission by the pope of the temporal punishment in purgatory that is still due for sins even after absolution
an inability to resist the gratification of whims and desires
a disposition to yield to the wishes of someone