panache vs flair

panache and flair both are nouns.

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

As nouns, panache and flair are synonyms defined as:

Other synonyms of panache include dash, elan, style.

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