Here's what rhymes with impregnateth.
                        
                        
                    
                                death  breath  neath  shibboleth  Words that almost rhyme with impregnateth
deaf  chess  less  says  press  dress  guess  yes  bless  mess  mesh  rev  chef  ref  abbess  abs  fez  tress  fresh  stress  flesh  possess  assess  caress  oppress  cortege  clef  creche  cress  thresh  unless  confess  impress  suppress  profess  recess  redress  afresh  repress  coalesce  depress  finesse  undress  egress  digress  tigress  success  express  distress  refresh  acquiesce  authoress  largesse  reassess  laundress  letterpress  sunless  nonetheless  transgress  adulteress  dispossess  sorceress  watercress  nevertheless  depth  tenth  health  wealth  breadth  stealth  length  twelfth  strength  commonwealth