excretion vs bum

excretion and bum both are nouns.

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

excretion (noun)	bum (noun)
the bodily process of discharging waste matter	the fleshy part of the human body that you sit on
waste matter (as urine or sweat but especially feces) discharged from the body	a vagrant
	a person who is deemed to be despicable or contemptible
	person who does no work

excretion (adjective)	bum (adjective)
	of very poor quality; flimsy

excretion (verb)	bum (verb)
	ask for and get free; be a parasite
	be lazy or idle