lovemaking vs sexual practice

lovemaking and sexual practice both are nouns.

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

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

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

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

lovemaking (noun)	sexual practice (noun)
sexual activities (often including sexual intercourse) between two people	activities associated with sexual intercourse