Here's what rhymes with precompulsory.
                        
                        
                    
                                compulsory  Words that almost rhyme with precompulsory
adultery  buttery  summary  drudgery  cutlery  gunnery  nunnery  rubbery  scullery  trumpery  blustery  mummery  luxury  brotherly  motherly  shrubbery  southerly  colorfully  discovery  trustworthy  stubbornly  perfunctory  effrontery  untrustworthy  introductory  bloodthirsty