feces vs excretory product

feces and excretory product both are nouns.

Word	Noun	Adjective	Verb	Adverb
feces	Yes	No	No	No
excretory product	Yes	No	No	No

As nouns, excretory product is a hypernym of feces; that is, excretory product is a word with a broader meaning than feces:

feces: solid excretory product evacuated from the bowels
excretory product: waste matter (as urine or sweat but especially feces) discharged from the body

Other hypernyms of feces include body waste, excrement, excreta, excretion.

feces (noun)	excretory product (noun)
solid excretory product evacuated from the bowels	waste matter (as urine or sweat but especially feces) discharged from the body