The word Profered is misspelled against Proffered, which is past tense of "Proffer"
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Proffered has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Pro & ered which should not be misspelled with single 'F'
Wrong Spelling:  Pro-f-ered 
Correct Spelling:  Pro-ff-ered 
Find more incorrect spellings of Proffered to spell right way.