Voltorean or Voltairean: How To spell?

The word Voltorean is misspelled against Voltairean, an adjective meaning "relating to Voltaire, the French auth."

Word contains consecutive vowels 'AI' in between alphabets volt & rean is misspelled as 'O'
Wrong Spelling:  volt-o-rean 
Correct Spelling:  volt-ai-rean 
Find more incorrect spellings of Voltairean to spell right way.

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