Retein or Retain: How To spell?

The word Retein is misspelled against Retain, a verb meaning "To belong; to pertain."

Word contains consecutive vowels 'AI' in between alphabets ret & n is misspelled as 'EI'
Wrong Spelling:  ret-ei-n 
Correct Spelling:  ret-ai-n 
Find more wrongly spelled words of Retain to spell it well.

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