Curtening or Curtaining: How To spell?
The word Curtening is misspelled against Curtaining, which is present continuous of "Curtain"
Word contains consecutive vowels 'AI' in between alphabets curt & ning is misspelled as 'E'Wrong Spelling:  curt-e-ning  Correct Spelling:  curt-ai-ning 
Check more misspelled words of Curtaining to spell it correct.