breath vs body process

breath and body process both are nouns.

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

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

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

breath (noun)	body process (noun)
the process of taking in and expelling air during breathing	an organic process that takes place in the body
an indirect suggestion
a slight movement of the air
the air that is inhaled and exhaled in respiration
a short respite