betise vs stupidity

betise and stupidity both are nouns.

Word	Noun	Adjective	Verb	Adverb
betise	Yes	No	No	No
stupidity	Yes	No	No	No

As nouns, betise and stupidity are synonyms defined as:

Other synonyms of betise include folly, foolishness, imbecility.

betise (noun)	stupidity (noun)
a stupid mistake	a stupid mistake
	a poor ability to understand or to profit from experience