The word Feofing is misspelled against Feoffing, which is present continuous of "Feoff"
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Feoffing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Feo & ing which should not be misspelled with single 'F'
Wrong Spelling:  Feo-f-ing 
Correct Spelling:  Feo-ff-ing 
Find more incorrect spellings of Feoffing to spell right way.