Haasen or Hausen: How To spell?

The word Haasen is misspelled against Hausen, a noun meaning "A large sturgeon (Acipenser huso) from the region of the Black Sea. It is sometimes twelve feet long."

Word contains consecutive vowels 'AU' in between alphabets h & sen is misspelled as 'AA'
Wrong Spelling:  h-aa-sen 
Correct Spelling:  h-au-sen 
Explore spell check of Hausen to spell without errors.

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