Overstraun or Overstrain: How To spell?

The word Overstraun is misspelled against Overstrain, a verb meaning "To strain one's self to excess."

Word contains consecutive vowels 'AI' in between alphabets overstr & n is misspelled as 'AU'
Wrong Spelling:  overstr-au-n 
Correct Spelling:  overstr-ai-n 
Check more misspelled words of Overstrain to spell it correct.

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