craziness vs indulgence

craziness and indulgence both are nouns.

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

As nouns, craziness and indulgence are synonyms defined as:

Other synonyms of craziness include folly, foolery, lunacy, tomfoolery.

craziness (noun)	indulgence (noun)
foolish or senseless behavior	the act of indulging or gratifying a desire
the quality of being rash and foolish	foolish or senseless behavior
informal terms for insanity	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