Caterwawled or Caterwauled: How To spell?

The word Caterwawled is misspelled against Caterwauled, which is past tense of "Caterwaul"

Word contains consecutive vowels 'AU' in between alphabets caterw & led is misspelled as 'AW'
Wrong Spelling:  caterw-aw-led 
Correct Spelling:  caterw-au-led 
Explore spell check of Caterwauled to spell without errors.

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