Defalted or Defaulted: How To spell?

The word Defalted is misspelled against Defaulted, which is past tense of "Default"

Word contains consecutive vowels 'AU' in between alphabets def & lted is misspelled as 'A' as letter 'U' is phonetically ignore
Wrong Spelling: def-a-lted
Correct Spelling: def-au-lted
Explore spell check of Defaulted to spell without errors.