The word Tatology is misspelled against Tautology, meaning "a repetition a redundancy"
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Word contains consecutive vowels 'AU' in between alphabets t & tology is misspelled as 'A' as letter 'U' is phonetically ignore
Wrong Spelling:  t-a-tology 
Correct Spelling:  t-au-tology 
Find more incorrect spellings of Tautology to spell right way.