Praecomissure or Praecommissure: How To spell?
The word Praecomissure 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 "mm" is mispronounced as "m"Remember double 'MM' in between the strings praeco & issure which should not be misspelled with single 'M'
Wrong Spelling:  praeco-m-issure  Correct Spelling:  praeco-mm-issure 
Check more misspelled words of Praecommissure to spell it correct.