craziness vs foolery

craziness and foolery both are nouns.

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

As nouns, craziness and foolery are synonyms defined as:

Other synonyms of craziness include folly, indulgence, lunacy, tomfoolery.

craziness (noun)	foolery (noun)
foolish or senseless behavior	foolish or senseless behavior
the quality of being rash and foolish
informal terms for insanity