Disociation or Dissociation: How To spell?
The word Disociation is misspelled against Dissociation, a noun meaning "The act of dissociating or disuniting; a state of separation; disunion."
Dissociation has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings di & ociation which should not be misspelled with single 'S'
Wrong Spelling:  di-s-ociation  Correct Spelling:  di-ss-ociation 
Find more incorrect spellings of Dissociation to spell right way.