Here's what rhymes with seminarial.
                        
                        
                    
                                burial  malarial  secretarial  reburial  adversarial  actuarial  antimalarial  Words that almost rhyme with seminarial
perennial  endometrial  biennial  centennial  millennial  decennial  censorial  terrestrial  triennial  vicennial  bicentennial  conventicle  quadrennial  tercentennial  tricentennial  tradespeople  sesquicentennial  extraterrestrial