Bivoulted or Bivaulted: How To spell?

The word Bivoulted is misspelled against Bivaulted, an adjective meaning "Having two vaults or arches."

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

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