Reattun or Reattain: How To spell?

The word Reattun is misspelled against Reattain, a verb meaning "To attain again."

Word contains consecutive vowels 'AI' in between alphabets reatt & n is misspelled as 'U'
Wrong Spelling:  reatt-u-n 
Correct Spelling:  reatt-ai-n 
Check more misspelled words of Reattain to spell it correct.

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