madness vs enthusiasm

madness and enthusiasm both are nouns.

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

As nouns, enthusiasm is a hypernym of madness; that is, enthusiasm is a word with a broader meaning than madness:

Other hypernyms of madness include ebullience, exuberance.

madness (noun)	enthusiasm (noun)
unrestrained excitement or enthusiasm	overflowing with eager enjoyment or approval
the quality of being rash and foolish	a lively interest
a feeling of intense anger	a feeling of excitement
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