Narcisine or Narcissine: How To spell?
The word Narcisine is misspelled against Narcissine, an adjective meaning "pertaining to Narcissus."
Narcissine has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings narci & ine which should not be misspelled with single 'S'
Wrong Spelling:  narci-s-ine  Correct Spelling:  narci-ss-ine 
Find more wrongly spelled words of Narcissine to spell it well.