peristalsis vs body process

peristalsis and body process both are nouns.

Word	Noun	Adjective	Verb	Adverb
peristalsis	Yes	No	No	No
body process	Yes	No	No	No

As nouns, body process is a hypernym of peristalsis; that is, body process is a word with a broader meaning than peristalsis:

peristalsis: the process of wavelike muscle contractions of the alimentary tract that moves food along
body process: an organic process that takes place in the body

Other hypernyms of peristalsis include activity, bodily function, bodily process.

peristalsis (noun)	body process (noun)
the process of wavelike muscle contractions of the alimentary tract that moves food along	an organic process that takes place in the body