Shufling or Shuffling: How To spell?
The word Shufling is misspelled against Shuffling, an adjective meaning "Evasive; as, a shuffling excuse."
Shuffling has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Shu & ling which should not be misspelled with single 'F'
Wrong Spelling:  Shu-f-ling  Correct Spelling:  Shu-ff-ling 
Check more misspelled words of Shuffling to spell it correct.