dirty word vs bum

dirty word and bum both are nouns.

Word	Noun	Adjective	Verb	Adverb
dirty word	Yes	No	No	No
bum	Yes	Yes	Yes	No

dirty word (noun)	bum (noun)
an offensive or indecent word or phrase	the fleshy part of the human body that you sit on
a word that is considered to be unmentionable	a vagrant
	a person who is deemed to be despicable or contemptible
	person who does no work

dirty word (adjective)	bum (adjective)
	of very poor quality; flimsy

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