madness vs foolishness

madness and foolishness both are nouns.

Word	Noun	Adjective	Verb	Adverb
madness	Yes	No	No	No
foolishness	Yes	No	No	No

As nouns, madness and foolishness are synonyms defined as:

Other synonyms of madness include craziness, folly.

madness (noun)	foolishness (noun)
unrestrained excitement or enthusiasm	a stupid mistake
the quality of being rash and foolish	the trait of acting stupidly or rashly
a feeling of intense anger	the quality of being rash and foolish
obsolete terms for legal insanity
an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain