panache
pəˈnaʃ/
noun
noun: panache
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1.flamboyant confidence of style or manner.“he entertained London society with great panache“
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2.historicala tuft or plume of feathers, especially as a headdress or on a helmet.
Origin
mid 16th century: from French, from Italian pennacchio, from late Latin pinnaculum, diminutive of pinna ‘feather
How my heart sings 
Lovely word….many think they have it….but their so thinking disproves their claim… 😉
Yes,it is quite rare I think.:)