Commisive or Commissive: How To spell?
The word Commisive is misspelled against Commissive, an adjective meaning "Relating to commission; of the nature of, or involving, commission."
Commissive has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings commi & ive which should not be misspelled with single 'S'
Wrong Spelling:  commi-s-ive  Correct Spelling:  commi-ss-ive 
Find more incorrect spellings of Commissive to spell right way.