Caterwoul or Caterwaul: How To spell?

The word Caterwoul is misspelled against Caterwaul, a noun meaning "A caterwauling."

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

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