Curstnes or Curstness: How To spell?
The word Curstnes is misspelled against Curstness, a noun meaning "Peevishness; malignity; frowardness; crabbedness; surliness."
Curstness 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:  curstne-s  Correct Spelling:  curstne-ss 
Check more misspelled words of Curstness to spell it correct.