Spiling or Spilling: How To spell?
The word Spiling is misspelled against Spilling, which is present continuous of "Spill"
Spilling has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings spi & ing which should not be misspelled with single 'L'
Wrong Spelling:  spi-l-ing  Correct Spelling:  spi-ll-ing 
Find more wrongly spelled words of Spilling to spell it well.