Constrening or Constraining: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets constr & ning is misspelled as 'E'
Wrong Spelling: constr-e-ning
Correct Spelling: constr-ai-ning
Find more incorrect spellings of Constraining to spell right way.