Demision or Demission: How To spell?
The word Demision is misspelled against Demission, a noun meaning "Resignation of an office."
Demission has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings demi & ion which should not be misspelled with single 'S'
Wrong Spelling:  demi-s-ion  Correct Spelling:  demi-ss-ion 
Find more incorrect spellings of Demission to spell right way.