Regeyn or Regain: How To spell?

The word Regeyn is misspelled against Regain, a verb meaning "To gain anew; to get again; to recover, as what has escaped or been lost; to reach again."

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

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