excretory product vs fundament

excretory product and fundament both are nouns.

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

excretory product (noun)	fundament (noun)
waste matter (as urine or sweat but especially feces) discharged from the body	lowest support of a structure
	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