Constreuner or Constrainer: How To spell?

The word Constreuner is misspelled against Constrainer, a noun meaning "One who constrains."

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

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