It is simple really:
flaunt – a verb meaning to display in an ostentatious manner or to show off (It can also mean waving or fluttering) and it probably comes from a Norwegian or Scandinavian word.
Do not use the word flaunt if actually you mean
flout – a verb which means to show contempt for something such as the law, or to ignore or scorn something, and which probably comes from Old Dutch
You can flout convention but you really cannot flaunt it.
People who are interviewed on the radio on a news programme and who are professors of something, really ought to know the difference between flout and flaunt!
Lois Elsden 
Yes, And it’s not the only one! Others that irritate me are confusion between “fount” and “font” when talking about the fount of all knowledge, “imply” and “infer” and “affect” and “effect” to name a few!
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Fount and font grrrrrrrr! You’re right! Accept and except! There are so many!
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