excreta vs bum

excreta and bum both are nouns.

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

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

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

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