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