Constreuning or Constraining: How To spell?

The word Constreuning is misspelled against Constraining, which is present continuous of "Constrain"

Word contains consecutive vowels 'AI' in between alphabets constr & ning is misspelled as 'EU'
Wrong Spelling:  constr-eu-ning 
Correct Spelling:  constr-ai-ning 
Check more misspelled words of Constraining to spell it correct.

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