clumsiness vs gaucherie

clumsiness and gaucherie both are nouns.

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

As nouns, gaucherie is a hyponym of clumsiness; that is, gaucherie is a word with a more specific, narrower meaning than clumsiness:

clumsiness: the inelegance of someone stiff and unrelaxed (as by embarrassment)
gaucherie: the quality of being rustic or gauche

Other hyponyms of clumsiness include woodenness, rusticity.

clumsiness (noun)	gaucherie (noun)
the carriage of someone whose movements and posture are ungainly or inelegant	a socially awkward or tactless act
the inelegance of someone stiff and unrelaxed (as by embarrassment)	the quality of being rustic or gauche
unskillfulness resulting from a lack of training