The word Winowed is misspelled against Winnowed, which is past tense of "Winnew"
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Winnowed has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings wi & owed which should not be misspelled with single 'N'
Wrong Spelling:  wi-n-owed 
Correct Spelling:  wi-nn-owed 
Find more incorrect spellings of Winnowed to spell right way.