Here's what rhymes with metastable.
                        
                        
                    
                                table  stable  cable  label  fable  gable  sable  enable  unable  unstable  disable  worktable  relabel  singable  mislabel  analysable  reimbursable  Words that almost rhyme with metastable
papal  staple  fatal  maple  natal  ladle  cradle  postnatal  prenatal  nonfatal  neonatal  spatial  basal  bagel  naval  painful  racial  facial  nasal  playful  hazel  navel  baleful  baneful  pailful  faithful  appraisal  glacial  fateful  hateful  shameful  disdainful  gainful  palatial  tasteful  wakeful  biracial  plateful  postnasal  bacchanal  laetrile  defrayal  felafel  pailsful  grateful  graceful  betrayal  cranial  portrayal  distasteful  wasteful  flavourful  disgraceful  interracial  unfaithful  archangel  multiracial  reappraisal  nonracial  ungrateful  interglacial  ungraceful  craniofacial