Tavtologic or Tautologic: How To spell?

The word Tavtologic is misspelled against Tautologic, an adjective meaning "Tautological."

Word contains consecutive vowels 'AU' in between alphabets t & tologic is misspelled as 'AV'
Wrong Spelling:  t-av-tologic 
Correct Spelling:  t-au-tologic 
Find more incorrect spellings of Tautologic to spell right way.

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