fastidiousness vs cleanliness

fastidiousness and cleanliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
fastidiousness	Yes	No	No	No
cleanliness	Yes	No	No	No

As nouns, cleanliness is a hypernym of fastidiousness; that is, cleanliness is a word with a broader meaning than fastidiousness:

fastidiousness: the trait of being meticulous about matters of taste or style
cleanliness: diligence in keeping clean

fastidiousness (noun)	cleanliness (noun)
the trait of being meticulous about matters of taste or style	diligence in keeping clean
	the habit of keeping free of superficial imperfections