Casationist or Causationist: How To spell?

The word Casationist is misspelled against Causationist, a noun meaning "One who believes in the law of universal causation."

Word contains consecutive vowels 'AU' in between alphabets c & sationist is misspelled as 'A' as letter 'U' is phonetically ign
Wrong Spelling:  c-a-sationist 
Correct Spelling:  c-au-sationist 
Find more incorrect spellings of Causationist to spell right way.

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