Volterism or Voltairism: How To spell?

The word Volterism is misspelled against Voltairism, a noun meaning "The theories or practice of Voltaire."

Word contains consecutive vowels 'AI' in between alphabets volt & rism is misspelled as 'E'
Wrong Spelling:  volt-e-rism 
Correct Spelling:  volt-ai-rism 
Find more incorrect spellings of Voltairism to spell right way.

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