excretion vs fart

excretion and fart both are nouns.

Word	Noun	Adjective	Verb	Adverb
excretion	Yes	No	No	No
fart	Yes	No	Yes	No

excretion (noun)	fart (noun)
the bodily process of discharging waste matter	a reflex that expels intestinal gas through the anus
waste matter (as urine or sweat but especially feces) discharged from the body

excretion (verb)	fart (verb)
	expel intestinal gases through the anus