hindquarters vs excretory product

hindquarters and excretory product both are nouns.

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

hindquarters (noun)	excretory product (noun)
the part of an animal that corresponds to the human buttocks	waste matter (as urine or sweat but especially feces) discharged from the body
the fleshy part of the human body that you sit on