perversion vs sex activity

perversion and sex activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
perversion	Yes	No	No	No
sex activity	Yes	No	No	No

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

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

perversion (noun)	sex activity (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