Defoulting or Defaulting: How To spell?

The word Defoulting is misspelled against Defaulting, which is present continuous of "Default"

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