tomfoolery vs lunacy

tomfoolery and lunacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
tomfoolery	Yes	No	No	No
lunacy	Yes	No	No	No

As nouns, tomfoolery and lunacy are synonyms defined as:

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

tomfoolery (noun)	lunacy (noun)
foolish or senseless behavior	foolish or senseless behavior
	obsolete terms for legal insanity