Difuseness or Diffuseness: How To spell?
The word Difuseness is misspelled against Diffuseness, a noun meaning "The quality of being diffuse; especially, in writing, the use of a great or excessive number of word to express the meaning; copiousness; verbosity; prolixity."
Diffuseness has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Di & useness which should not be misspelled with single 'F'
Wrong Spelling:  Di-f-useness  Correct Spelling:  Di-ff-useness 
Check more misspelled words of Diffuseness to spell it correct.