Vacuousnes or Vacuousness: How To spell?
The word Vacuousnes is misspelled against Vacuousness, a noun meaning "The quality or state of being vacuous; emptiness; vacuity."
Vacuousness 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:  vacuousne-s  Correct Spelling:  vacuousne-ss 
Check more misspelled words of Vacuousness to spell it correct.