folly vs asininity

folly and asininity both are nouns.

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

As nouns, asininity is a hyponym of folly; that is, asininity is a word with a more specific, narrower meaning than folly:

folly: the trait of acting stupidly or rashly
asininity: the quality of being asinine; stupidity combined with stubbornness

Other hyponyms of folly include indiscretion, injudiciousness, absurdity, fatuity, fatuousness, silliness.

folly (noun)	asininity (noun)
foolish or senseless behavior	the quality of being asinine; stupidity combined with stubbornness
a stupid mistake
the trait of acting stupidly or rashly
the quality of being rash and foolish