Ineptnes or Ineptness: How To spell?
The word Ineptnes is misspelled against Ineptness, a noun meaning "Unfitness; ineptitude."
Ineptness 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:  ineptne-s  Correct Spelling:  ineptne-ss 
Explore spell check of Ineptness to spell without errors.