How to spell billionaire? Is it biilliionaiire or billionair? - Commonly Misspelled Words
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The correct spelling:



a very rich person whose material wealth is valued at more than a billion dollars


he became a billionaire when he won the lottery

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Other users have misspelled billionaire as:

  • biilliionaiire - 4.69%
  • billionair - 4.69%
  • bilanar - 3.13%
  • Other - 87.49%