The word Harkening is misspelled against Hearkening, which is present continuous of "Hearken"
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Hearkening has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets h & rkening is misspelled as 'A'
Wrong Spelling:  h-a-rkening 
Correct Spelling:  h-ea-rkening 
Find more wrongly spelled words of Hearkening to spell it well.