Scision or Scission: How To spell?
The word Scision is misspelled against Scission, a noun meaning "The act of dividing with an instrument having a sharp edge."
Scission has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings sci & ion which should not be misspelled with single 'S'
Wrong Spelling:  sci-s-ion  Correct Spelling:  sci-ss-ion 
Find more incorrect spellings of Scission to spell right way.