Here's what rhymes with uncongealable.
                        
                        
                    
                                concealable  resealable  Words that almost rhyme with uncongealable
peaceable  teachable  feasible  readable  achievable  reachable  treatable  unbeatable  impeachable  unteachable  regional  seasonal  appreciable  conceivable  unspeakable  believable  redeemable  repeatable  unimpeachable  unreadable  perceivable  unfeasible  inappreciable  uneatable  teacupful  cleanable  freezable  agreeable  unreasonable  inconceivable  foreseeable  receivable  unbelievable  indefeasible  irredeemable  unforeseeable  useable  retrievable  unrepeatable  nonseasonal  squeezable  nonredeemable  interpretable  interregional  irretrievable  unuseable  disagreeable  paracetamol