arousal vs sexual practice

arousal and sexual practice both are nouns.

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

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

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

arousal (noun)	sexual practice (noun)
the act of arousing	activities associated with sexual intercourse
mutual sexual fondling prior to sexual intercourse
awakening from sleep
a state of heightened physiological activity