Here's what rhymes with cerulus.
                        
                        
                    
                                talus  bibulous  fistulous  Words that almost rhyme with cerulus
mullahs  duchess  fulness  bloodless  dullness  dulness  piteous  bulbous  luckless  pumice  cutlass  loveless  tapas  fungous  magus  pashas  ruckus  justice  compass  buckets  buttocks  colourless  fungus  oneness  roughness  toughness  baseness  buttress  couplets  numbness  puppets  rashness  stasis  doublets  lameness  nuggets  alumnus  hummocks  buffets  couscous  covets  ductless  dumbness  rumpus  abundance  muskets  trumpets  wondrous  cements  lustrous  stomachs  cumbrous  justness  bluntness  druggists  effulgence  incubus  numinous  pedants  smugness  bumptious  erogenous  suitableness  substance  judgments  indulgence  encompass  judgements  sumptuous  neuritis  abruptness  abutments  wantonness  sibilants  adjustments  reluctance  circumference  consultants  conductance  inductance  repugnance  robustness  hundredths  unrighteousness  resultants  agreeableness  discussants  rambunctious  reasonableness  incumbents  encumbrance  superabundance  incumbrance  overabundance  overindulgence  remonstrance  readjustments  unreasonableness