The word Feof is misspelled against Feoff, a noun meaning "A fief. See Fief."
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Feoff has double 'ff' in the end mispronounced as 'f'
Remember double 'FF' appears in the end of this word which should not be misspelled with single 'F'
Wrong Spelling:  feo-f 
Correct Spelling:  feo-ff 
Find more incorrect spellings of Feoff to spell right way.