lecherousness vs sexual desire

lecherousness and sexual desire both are nouns.

Word	Noun	Adjective	Verb	Adverb
lecherousness	Yes	No	No	No
sexual desire	Yes	No	No	No

As nouns, sexual desire is a hypernym of lecherousness; that is, sexual desire is a word with a broader meaning than lecherousness:

Other hypernyms of lecherousness include concupiscence, eros, physical attraction.

lecherousness (noun)	sexual desire (noun)
a strong sexual desire	a desire for sexual intimacy