bum vs dirty word

bum and dirty word both are nouns.

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

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

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

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