gaucherie vs blunder

gaucherie and blunder both are nouns.

Word	Noun	Adjective	Verb	Adverb
gaucherie	Yes	No	No	No
blunder	Yes	No	Yes	No

As nouns, blunder is a hypernym of gaucherie; that is, blunder is a word with a broader meaning than gaucherie:

Other hypernyms of gaucherie include bloomer, blooper, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall.

gaucherie (noun)	blunder (noun)
a socially awkward or tactless act	an embarrassing mistake
the quality of being rustic or gauche

gaucherie (verb)	blunder (verb)
	utter impulsively
	make one's way clumsily or blindly
	commit a faux pas or a fault or make a serious mistake