It is a term primarily used in the medical world and is not in Webster's dictionary or Microsoft word as an actual word.  Most of  Mr.  Schwab's readers are not doctors or surgeons and using a word like 'discohesive' is a bit snobbish. Its never used outside of medical terminology.  But, hey, today in the neighborhood, we all learned a 'new' term right?  In Mr. Schwab's Neighborhood.  Its a wonderful day in the neighborhood....