Deudening or Deadening: How To spell?

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

Deadening has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets d & dening is misspelled as 'EU'
Wrong Spelling:  d-eu-dening 
Correct Spelling:  d-ea-dening 
Check more misspelled words of Deadening to spell it correct.

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