Fisiparity or Fissiparity: How To spell?
The word Fisiparity is misspelled against Fissiparity, a noun meaning "Quality of being fissiparous; fissiparism."
Fissiparity has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings fi & iparity which should not be misspelled with single 'S'
Wrong Spelling:  fi-s-iparity  Correct Spelling:  fi-ss-iparity 
Find more wrongly spelled words of Fissiparity to spell it well.