Capaciousnes or Capaciousness: How To spell?
The word Capaciousnes is misspelled against Capaciousness, a noun meaning "The quality of being capacious, as of a vessel, a reservoir a bay, the mind, etc."
Capaciousness 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:  capaciousne-s  Correct Spelling:  capaciousne-ss 
Check more misspelled words of Capaciousness to spell it correct.