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