The word Batardau is misspelled against Batardeau, a noun meaning "A cofferdam."
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Batardeau has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets batard & u is misspelled as 'A'
Wrong Spelling:  batard-a-u 
Correct Spelling:  batard-ea-u 
Check more misspelled words of Batardeau to spell it correct.