Postcomissure or Postcommissure: How To spell?
The word Postcomissure is misspelled against Postcommissure, a noun meaning "A transverse commisure in the posterior part of the roof of the third ventricle of the brain; the posterior cerebral commisure."
Postcommissure has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings postco & issure which should not be misspelled with single 'M'
Wrong Spelling:  postco-m-issure  Correct Spelling:  postco-mm-issure 
Check more misspelled words of Postcommissure to spell it correct.