Scofing or Scoffing: How To spell?
The word Scofing is misspelled against Scoffing, which is present continuous of "Scoff"
Scoffing has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Sco & ing which should not be misspelled with single 'F'
Wrong Spelling:  Sco-f-ing  Correct Spelling:  Sco-ff-ing 
Find more incorrect spellings of Scoffing to spell right way.