impishness vs playfulness

impishness and playfulness both are nouns.

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

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

Other hypernyms of impishness include fun.

impishness (noun)	playfulness (noun)
the trait of behaving like an imp	activities that are enjoyable or amusing
	a disposition to find (or make) causes for amusement
	a festive merry feeling