faux pas vs bungle

faux pas and bungle both are nouns.

Word	Noun	Adjective	Verb	Adverb
faux pas	Yes	No	No	No
bungle	Yes	No	Yes	No

As nouns, bungle is a hypernym of faux pas; that is, bungle is a word with a broader meaning than faux pas:

Other hypernyms of faux pas include bloomer, blooper, blunder, boner, boo-boo, botch, flub, foul-up, fuckup, pratfall.

faux pas (noun)	bungle (noun)
a socially awkward or tactless act	an embarrassing mistake

faux pas (verb)	bungle (verb)
	spoil by behaving clumsily or foolishly
	make a mess of, destroy or ruin