The word Deifened is misspelled against Deafened, which is past tense of "Deafen"
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Deafened has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets d & fened is misspelled as 'EI'
Wrong Spelling:  d-ei-fened 
Correct Spelling:  d-ea-fened 
Find more wrongly spelled words of Deafened to spell it well.