Accesion or Accession: How To spell?
The word Accesion is misspelled against Accession, meaning "Induction or elevation, as to dignity, office, or government."
Accession has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings acce & ion which should not be misspelled with single 'S'
Wrong Spelling:  acce-s-ion  Correct Spelling:  acce-ss-ion 
Find more incorrect spellings of Accession to spell right way.