Misioner or Missioner: How To spell?
The word Misioner is misspelled against Missioner, a noun meaning "A missionary; an envoy; one who conducts a mission. See Mission, n., 6."
Missioner has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings mi & ioner which should not be misspelled with single 'S'
Wrong Spelling:  mi-s-ioner  Correct Spelling:  mi-ss-ioner 
Find more incorrect spellings of Missioner to spell right way.