indulgence vs indulgent

indulgence is a noun but indulgent is not a noun.

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

indulgence (noun)	indulgent (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

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