outercourse vs sexual practice

outercourse and sexual practice both are nouns.

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

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

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

outercourse (noun)	sexual practice (noun)
sexual stimulation without vaginal penetration	activities associated with sexual intercourse