sexiness vs prurience

sexiness and prurience both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexiness	Yes	No	No	No
prurience	Yes	No	No	No

As nouns, prurience is a hyponym of sexiness; that is, prurience is a word with a more specific, narrower meaning than sexiness:

Other hyponyms of sexiness include carnality, lasciviousness, lubricity, pruriency.

sexiness (noun)	prurience (noun)
The state or quality of being sexy, of possessing the traits of sexual appeal.	feeling morbid sexual desire or a propensity to lewdness
the arousal of feelings of sexual desire