The word Bivavlted is misspelled against Bivaulted, an adjective meaning "Having two vaults or arches."
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Word contains consecutive vowels 'AU' in between alphabets biv & lted is misspelled as 'AV'
Wrong Spelling:  biv-av-lted 
Correct Spelling:  biv-au-lted 
Find more wrongly spelled words of Bivaulted to spell it well.