Ridling or Riddling: How To spell?
The word Ridling is misspelled against Riddling, an adjective meaning "Speaking in a riddle or riddles; containing a riddle."
Riddling has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Ri & ling which should not be misspelled with single 'D'
Wrong Spelling:  Ri-d-ling  Correct Spelling:  Ri-dd-ling 
Find more wrongly spelled words of Riddling to spell it well.