The word Scufing is misspelled against Scuffing, which is present continuous of "Scuff"
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Scuffing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Scu & ing which should not be misspelled with single 'F'
Wrong Spelling: Scu-f-ing
Correct Spelling: Scu-ff-ing
Check more misspelled words of Scuffing to spell it correct.