Atteonted or Attainted: How To spell?

The word Atteonted is misspelled against Attainted, which is past tense of "Attaint"

Word contains consecutive vowels 'AI' in between alphabets att & nted is misspelled as 'EO'
Wrong Spelling:  att-eo-nted 
Correct Spelling:  att-ai-nted 
Find more incorrect spellings of Attainted to spell right way.

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