intake vs bodily function

intake and bodily function both are nouns.

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

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

intake: the process of taking food into the body through the mouth (as by eating)
bodily function: an organic process that takes place in the body

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

intake (noun)	bodily function (noun)
the process of taking food into the body through the mouth (as by eating)	an organic process that takes place in the body
the act of inhaling; the drawing in of air (or other gases) as in breathing
an opening through which fluid is admitted to a tube or container