Defening or Deafening: How To spell?
The word Defening is misspelled against Deafening, a noun meaning "The act or process of rendering impervious to sound, as a floor or wall; also, the material with which the spaces are filled in this process; pugging."
Deafening has vowels 'ea' together mispronounced as 'e'Word contains consecutive vowels 'EA' in between alphabets d & fening is misspelled as 'E'
Wrong Spelling:  d-e-fening  Correct Spelling:  d-ea-fening 
Find more wrongly spelled words of Deafening to spell it well.