flair vs panache

flair and panache both are nouns.

Word	Noun	Adjective	Verb	Adverb
flair	Yes	No	No	No
panache	Yes	No	No	No

As nouns, flair and panache are synonyms defined as:

Other synonyms of flair include dash, elan, style.

flair (noun)	panache (noun)
distinctive and stylish elegance	a feathered plume on a helmet
a natural talent	distinctive and stylish elegance
a shape that spreads outward