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