Stiling or Stilling: How To spell?
The word Stiling is misspelled against Stilling, a noun meaning "A stillion."
Stilling has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings sti & ing which should not be misspelled with single 'L'
Wrong Spelling:  sti-l-ing  Correct Spelling:  sti-ll-ing 
Find more wrongly spelled words of Stilling to spell it well.