Atteonting or Attainting: How To spell?

The word Atteonting is misspelled against Attainting, which is present continuous of "Attaint"

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