Praecommisure or Praecommissure: How To spell?
The word Praecommisure is misspelled against Praecommissure, a noun meaning "A transverse commissure in the anterior part of the third ventricle of the brain; the anterior cerebral commissure."
Praecommissure has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings praecommi & ure which should not be misspelled with single 'S'
Wrong Spelling:  praecommi-s-ure  Correct Spelling:  praecommi-ss-ure 
Check more misspelled words of Praecommissure to spell it correct.