indiscretion vs folly

indiscretion and folly both are nouns.

Word	Noun	Adjective	Verb	Adverb
indiscretion	Yes	No	No	No
folly	Yes	No	No	No

As nouns, folly is a hypernym of indiscretion; that is, folly is a word with a broader meaning than indiscretion:

Other hypernyms of indiscretion include foolishness, unwiseness.

indiscretion (noun)	folly (noun)
a petty misdeed	foolish or senseless behavior
the trait of being injudicious	a stupid mistake
	the trait of acting stupidly or rashly
	the quality of being rash and foolish