Caterwaol or Caterwaul: How To spell?

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

Word contains consecutive vowels 'AU' in between alphabets caterw & l is misspelled as 'AO'
Wrong Spelling:  caterw-ao-l 
Correct Spelling:  caterw-au-l 
Find more incorrect spellings of Caterwaul to spell right way.

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