Overhavling or Overhauling: How To spell?
The word Overhavling is misspelled against Overhauling, a noun meaning "A strict examination with a view to correction or repairs."
Word contains consecutive vowels 'AU' in between alphabets overh & ling is misspelled as 'AV'Wrong Spelling:  overh-av-ling  Correct Spelling:  overh-au-ling 
Find more wrongly spelled words of Overhauling to spell it well.