Cousator or Causator: How To spell?

The word Cousator is misspelled against Causator, a noun meaning "One who causes."

Word contains consecutive vowels 'AU' in between alphabets c & sator is misspelled as 'OU'
Wrong Spelling:  c-ou-sator 
Correct Spelling:  c-au-sator 
Check more misspelled words of Causator to spell it correct.

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