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