craziness vs madness

craziness and madness both are nouns.

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

As nouns, craziness and madness are synonyms defined as:

Other synonyms of craziness include folly, foolishness.

craziness (noun)	madness (noun)
foolish or senseless behavior	unrestrained excitement or enthusiasm
the quality of being rash and foolish	the quality of being rash and foolish
informal terms for insanity	a feeling of intense anger
	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