Skifed or Skiffed: How To spell?
The word Skifed is misspelled against Skiffed, which is past tense of "Skiff"
Skiffed has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Ski & ed which should not be misspelled with single 'F'
Wrong Spelling:  Ski-f-ed  Correct Spelling:  Ski-ff-ed 
Find more wrongly spelled words of Skiffed to spell it well.