Here's what rhymes with ulnas.
                        
                        
                    
                                coolness  Words that almost rhyme with ulnas
rudeness  lewdness  lulus  units  useless  ruthless  lupus  eunuchs  newness  shrewdness  aloofness  blueness  crudeness  roofless  rootless  clueless  muteness  cuteness  glumness  mucous  fruitless  mucus  acuteness  humus  smoothness  hubris  toothless  tulips  moonless  bootless  juleps  mullets  gullets  spruceness  chukkas  tuneups  houmous  houmus  nuisance  prudence  cubits  fluence  astuteness  obtuseness  diffuseness  coolants  duellists  humourless  sublets  cutups  hirsuteness  foodstuffs  mutants  tumults  absoluteness  congruous  scrofulous  caduceus  dissoluteness  resoluteness  truants  abstruseness  profuseness  glamourous  bouffants  students  movements  pollutants  pursuance  imprudence  impudence  avoirdupois  annuitants  intuits  irresoluteness  manumits  amusements  exiguous  canoeists  quadruplets  improvements  persecutions  inducements  disputants  translucence  jurisprudence