Intercesion or Intercession: How To spell?
The word Intercesion is misspelled against Intercession, meaning "Entreaty in behalf of others."
Intercession has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings interce & ion which should not be misspelled with single 'S'
Wrong Spelling:  interce-s-ion  Correct Spelling:  interce-ss-ion 
Find more incorrect spellings of Intercession to spell right way.