Swarthines or Swarthiness: How To spell?
The word Swarthines is misspelled against Swarthiness, a noun meaning "The quality or state of being swarthy; a dusky or dark complexion; tawniness."
Swarthiness 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:  swarthine-s  Correct Spelling:  swarthine-ss 
Find more wrongly spelled words of Swarthiness to spell it well.