Unstran or Unstrain: How To spell?

The word Unstran is misspelled against Unstrain, a verb meaning "To relieve from a strain; to relax."

Word contains consecutive vowels 'AI' in between alphabets unstr & n is misspelled as 'A'
Wrong Spelling:  unstr-a-n 
Correct Spelling:  unstr-ai-n 
Browse incorrect spellings of Unstrain to spell it good.

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