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