perversion vs sexual practice

perversion and sexual practice both are nouns.

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

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

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

perversion (noun)	sexual practice (noun)
the action of perverting something (turning it to a wrong use)	activities associated with sexual intercourse
an aberrant sexual practice
a curve that reverses the direction of something