facetiousness vs playfulness

facetiousness and playfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
facetiousness	Yes	No	No	No
playfulness	Yes	No	No	No

As nouns, playfulness is a hypernym of facetiousness; that is, playfulness is a word with a broader meaning than facetiousness:

Other hypernyms of facetiousness include fun.

facetiousness (noun)	playfulness (noun)
playful humor	activities that are enjoyable or amusing
	a disposition to find (or make) causes for amusement
	a festive merry feeling