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