Constreun or Constrain: How To spell?
The word Constreun is misspelled against Constrain, meaning "compel"
Word contains consecutive vowels 'AI' in between alphabets constr & n is misspelled as 'EU'Wrong Spelling:  constr-eu-n  Correct Spelling:  constr-ai-n 
Check more misspelled words of Constrain to spell it correct.