love vs concupiscence

love and concupiscence both are nouns.

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

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

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

love (noun)	concupiscence (noun)
sexual activities (often including sexual intercourse) between two people	a desire for sexual intimacy
any object of warm affection or devotion
a strong positive emotion of regard and affection
a deep feeling of sexual desire and attraction
a beloved person; used as terms of endearment
a score of zero in tennis or squash

love (verb)	concupiscence (verb)
have sexual intercourse with
have a great affection or liking for
be enamored or in love with
get pleasure from