love vs sexual desire

love and sexual desire both are nouns.

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

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

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

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