sexual love vs sexual practice

sexual love and sexual practice both are nouns.

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

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

sexual love: sexual activities (often including sexual intercourse) between two people
sexual practice: activities associated with sexual intercourse

Other hypernyms of sexual love include sex, sex activity, sexual activity.

sexual love (noun)	sexual practice (noun)
sexual activities (often including sexual intercourse) between two people	activities associated with sexual intercourse
a deep feeling of sexual desire and attraction