fundament vs excretory product

fundament and excretory product both are nouns.

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

fundament (noun)	excretory product (noun)
lowest support of a structure	waste matter (as urine or sweat but especially feces) discharged from the body
the fleshy part of the human body that you sit on
the fundamental assumptions from which something is begun or developed or calculated or explained