Extiling or Extilling: How To spell?

The word Extiling is misspelled against Extilling, which is present continuous of "Extill"

Extilling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings exti & ing which should not be misspelled with single 'L'
Wrong Spelling:  exti-l-ing 
Correct Spelling:  exti-ll-ing 
Find more wrongly spelled words of Extilling to spell it well.