Incompletenes or Incompleteness: How To spell?
The word Incompletenes is misspelled against Incompleteness, a noun meaning "The state of being incomplete; imperfectness; defectiveness."
Incompleteness 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:  incompletene-s  Correct Spelling:  incompletene-ss 
Find more incorrect spellings of Incompleteness to spell right way.