The word Snafling is misspelled against Snaffling, which is present continuous of "Snaffle"
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Snaffling has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Sna & ling which should not be misspelled with single 'F'
Wrong Spelling:  Sna-f-ling 
Correct Spelling:  Sna-ff-ling 
Find more wrongly spelled words of Snaffling to spell it well.