vulgarism vs bum

vulgarism and bum both are nouns.

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

vulgarism (noun)	bum (noun)
the quality of lacking taste and refinement	the fleshy part of the human body that you sit on
an offensive or indecent word or phrase	a vagrant
	a person who is deemed to be despicable or contemptible
	person who does no work

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

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