Batardeav or Batardeau: How To spell?

The word Batardeav is misspelled against Batardeau, a noun meaning "A cofferdam."

Word ends with consecutive vowels 'AU' preceded by alphabets 'batarde' is misspelled as 'AV'
Wrong Spelling:  batarde-av 
Correct Spelling:  batarde-au 
Explore spell check of Batardeau to spell without errors.

You might be interested to know

Landaa or Landau?

Torteua or Torteau?

Fablia or Fabliau?