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