Bulav or Bulau: How To spell?

The word Bulav is misspelled against Bulau, a noun meaning "An East Indian insectivorous mammal (Gymnura Rafflesii), somewhat like a rat in appearance, but allied to the hedgehog."

Word ends with consecutive vowels 'AU' preceded by alphabets 'bul' is misspelled as 'AV'
Wrong Spelling:  bul-av 
Correct Spelling:  bul-au 
Check more misspelled words of Bulau to spell it correct.

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