indulgent vs indulgence

indulgent is not a noun while indulgence is a noun.

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

indulgent (noun)	indulgence (noun)
	the act of indulging or gratifying a desire
	foolish or senseless behavior
	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

indulgent (adjective)	indulgence (adjective)
characterized by or given to yielding to the wishes of someone
being favorably inclined
tolerant or lenient