Sulkines or Sulkiness: How To spell?
The word Sulkines is misspelled against Sulkiness, a noun meaning "The quality or state of being sulky; sullenness; moroseness; as, sulkiness of disposition."
Sulkiness 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:  sulkine-s  Correct Spelling:  sulkine-ss 
Check more misspelled words of Sulkiness to spell it correct.