The word Overhauring is misspelled against Overhearing, which is present continuous of "Overhear"
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Overhearing has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets overh & ring is misspelled as 'AU'
Wrong Spelling:  overh-au-ring 
Correct Spelling:  overh-ea-ring 
Check more misspelled words of Overhearing to spell it correct.