Atteynder or Attainder: How To spell?

The word Atteynder is misspelled against Attainder, a noun meaning "A stain or staining; state of being in dishonor or condemnation."

Word contains consecutive vowels 'AI' in between alphabets att & nder is misspelled as 'EY'
Wrong Spelling:  att-ey-nder 
Correct Spelling:  att-ai-nder 
Explore spell check of Attainder to spell without errors.

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