Diffusivenes or Diffusiveness: How To spell?
The word Diffusivenes is misspelled against Diffusiveness, a noun meaning "The quality or state of being diffusive or diffuse; extensiveness; expansion; dispersion. Especially of style: Diffuseness; want of conciseness; prolixity."
Diffusiveness has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  diffusivene-s  Correct Spelling:  diffusivene-ss 
Check more misspelled words of Diffusiveness to spell it correct.