The word Herkened is misspelled against Hearkened, which is past tense of "Hearken"
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Hearkened has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets h & rkened is misspelled as 'E'
Wrong Spelling:  h-e-rkened 
Correct Spelling:  h-ea-rkened 
Explore spell check of Hearkened to spell without errors.