Startfulnes or Startfulness: How To spell?
The word Startfulnes is misspelled against Startfulness, a noun meaning "Aptness to start."
Startfulness 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:  startfulne-s  Correct Spelling:  startfulne-ss 
Check more misspelled words of Startfulness to spell it correct.