Obtusenes or Obtuseness: How To spell?
The word Obtusenes is misspelled against Obtuseness, a noun meaning "State or quality of being obtuse."
Obtuseness 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:  obtusene-s  Correct Spelling:  obtusene-ss 
Check more misspelled words of Obtuseness to spell it correct.