Deidening or Deadening: How To spell?

The word Deidening is misspelled against Deadening, which is present continuous of "Deaden"

--> Deadening has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets d & dening is misspelled as 'EI'
Wrong Spelling:  d-ei-dening 
Correct Spelling:  d-ea-dening 
Find more wrongly spelled words of Deadening to spell it well.

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