sexiness vs allure

sexiness and allure both are nouns.

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

As nouns, allure is a hypernym of sexiness; that is, allure is a word with a broader meaning than sexiness:

sexiness: The state or quality of being sexy, of possessing the traits of sexual appeal.
allure: the power to entice or attract through personal charm

Other hypernyms of sexiness include allurement, temptingness.

sexiness (noun)	allure (noun)
The state or quality of being sexy, of possessing the traits of sexual appeal.	the power to entice or attract through personal charm
the arousal of feelings of sexual desire

sexiness (verb)	allure (verb)
	dispose or incline or entice to