anastalsis vs bodily function

anastalsis and bodily function both are nouns.

Word	Noun	Adjective	Verb	Adverb
anastalsis	Yes	No	No	No
bodily function	Yes	No	No	No

As nouns, bodily function is a hypernym of anastalsis; that is, bodily function is a word with a broader meaning than anastalsis:

anastalsis: muscular action of the alimentary tract in a direction opposite to peristalsis
bodily function: an organic process that takes place in the body

Other hypernyms of anastalsis include activity, bodily process, body process.

anastalsis (noun)	bodily function (noun)
muscular action of the alimentary tract in a direction opposite to peristalsis	an organic process that takes place in the body