Superstrin or Superstrain: How To spell?

The word Superstrin is misspelled against Superstrain, a verb meaning "To overstrain."

Word contains consecutive vowels 'AI' in between alphabets superstr & n is misspelled as 'I'
Wrong Spelling:  superstr-i-n 
Correct Spelling:  superstr-ai-n 
Check more misspelled words of Superstrain to spell it correct.

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