Quidler or Quiddler: How To spell?
The word Quidler is misspelled against Quiddler, a noun meaning "One who wastes his energy about trifles."
Quiddler has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Qui & ler which should not be misspelled with single 'D'
Wrong Spelling:  Qui-d-ler  Correct Spelling:  Qui-dd-ler 
Check more misspelled words of Quiddler to spell it correct.