Noumachy or Naumachy: How To spell?

The word Noumachy is misspelled against Naumachy, a noun meaning "A naval battle; esp., a mock sea fight."

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

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