Reatteynment or Reattainment: How To spell?

The word Reatteynment is misspelled against Reattainment, a noun meaning "The act of reattaining."

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

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