Comissure or Commissure: How To spell?
The word Comissure is misspelled against Commissure, a noun meaning "A collection of fibers connecting parts of the brain or spinal marrow; a chiasma."
Commissure has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings co & issure which should not be misspelled with single 'M'
Wrong Spelling:  co-m-issure  Correct Spelling:  co-mm-issure 
Check more misspelled words of Commissure to spell it correct.