Tavtologist or Tautologist: How To spell?

The word Tavtologist is misspelled against Tautologist, a noun meaning "One who uses tautological words or phrases."

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

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