interestingness vs powerfulness

interestingness and powerfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
interestingness	Yes	No	No	No
powerfulness	Yes	No	No	No

As nouns, powerfulness is a hypernym of interestingness; that is, powerfulness is a word with a broader meaning than interestingness:

interestingness: the power of attracting or holding one's attention (because it is unusual or exciting etc.)
powerfulness: possession of controlling influence

Other hypernyms of interestingness include power.

interestingness (noun)	powerfulness (noun)
the power of attracting or holding one's attention (because it is unusual or exciting etc.)	possession of controlling influence