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