sexual love vs concupiscence

sexual love and concupiscence both are nouns.

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

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

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

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