Here's what rhymes with unpalpable.
                        
                        
                    
                                palpable  impalpable  Words that almost rhyme with unpalpable
valuable  taxable  fallible  passable  chasuble  bankable  compatible  tangible  invaluable  adaptable  impassable  infallible  cannibal  laughable  blamable  impassible  nontaxable  graspable  unflappable  satiable  savable  fanciable  national  radical  rational  casual  diagonal  maximal  implacable  intangible  mandible  factional  octagonal  tractable  detachable  flammable  verapamil  madrigal  merchantable  cantabile  practical  incompatible  irrational  fractional  intractable  clavicle  inflammable  interactional  cantonal  collapsible  unpractical  frangible  attractable  declarable  nondetachable  international  grammatical  understandable  impractical  lnternational  transactional  expandable  semiannual  retractable  nonflammable  multinational  transnational  hexagonal  ungrammatical  supranational