Ilustrating or Illustrating: How To spell?
The word Ilustrating is misspelled against Illustrating, which is present continuous of "Illustrate"
Illustrating has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings i & ustrating which should not be misspelled with single 'L'
Wrong Spelling:  i-l-ustrating  Correct Spelling:  i-ll-ustrating 
Check more misspelled words of Illustrating to spell it correct.