Retan or Retain: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets ret & n is misspelled as 'A'
Wrong Spelling:  ret-a-n 
Correct Spelling:  ret-ai-n 
Explore spell check of Retain to spell without errors.

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