zooerasty vs sexual activity

zooerasty and sexual activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
zooerasty	Yes	No	No	No
sexual activity	Yes	No	No	No

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

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

zooerasty (noun)	sexual activity (noun)
sexual activity between a person and an animal	activities associated with sexual intercourse