vomitus vs body waste

vomitus and body waste both are nouns.

Word	Noun	Adjective	Verb	Adverb
vomitus	Yes	No	No	No
body waste	Yes	No	No	No

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

vomitus: the matter ejected in vomiting
body waste: waste matter (as urine or sweat but especially feces) discharged from the body

Other hypernyms of vomitus include excrement, excreta, excretion, excretory product.

vomitus (noun)	body waste (noun)
the matter ejected in vomiting	waste matter (as urine or sweat but especially feces) discharged from the body