dirty word vs bloody

dirty word is a noun but bloody is not a noun.

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

dirty word (noun)	bloody (noun)
an offensive or indecent word or phrase
a word that is considered to be unmentionable

dirty word (adjective)	bloody (adjective)
	having or covered with or accompanied by blood
	informal intensifiers

dirty word (verb)	bloody (verb)
	cover with blood

dirty word (adverb)	bloody (adverb)
	extremely