Queling or Quelling: How To spell?
The word Queling is misspelled against Quelling, which is present continuous of "Quell"
Quelling has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings que & ing which should not be misspelled with single 'L'
Wrong Spelling:  que-l-ing  Correct Spelling:  que-ll-ing 
Check more misspelled words of Quelling to spell it correct.