body waste vs bum

body waste and bum both are nouns.

Word	Noun	Adjective	Verb	Adverb
body waste	Yes	No	No	No
bum	Yes	Yes	Yes	No

body waste (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

body waste (adjective)	bum (adjective)
	of very poor quality; flimsy

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