Narcisuses or Narcissuses: How To spell?
The word Narcisuses is misspelled against Narcissuses, which is plural of "Narcissus"
Narcissuses has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings narci & uses which should not be misspelled with single 'S'
Wrong Spelling:  narci-s-uses  Correct Spelling:  narci-ss-uses 
Check more misspelled words of Narcissuses to spell it correct.