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