Voulted or Vaulted: How To spell?

The word Voulted is misspelled against Vaulted, an adjective meaning "Arched like the roof of the mouth, as the upper lip of many ringent flowers."

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