sexual love vs sexual desire

sexual love and sexual desire both are nouns.

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

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

Other hypernyms of sexual love include concupiscence, eros, physical attraction.

sexual love (noun)	sexual desire (noun)
sexual activities (often including sexual intercourse) between two people	a desire for sexual intimacy
a deep feeling of sexual desire and attraction