Adling or Addling: How To spell?
The word Adling is misspelled against Addling, which is present continuous of "Addle"
Addling has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings A & ling which should not be misspelled with single 'D'
Wrong Spelling:  A-d-ling  Correct Spelling:  A-dd-ling 
Find more wrongly spelled words of Addling to spell it well.