Here's what rhymes with pedunculus.
                        
                        
                    
                                Words that almost rhyme with pedunculus
truculence  succulence  subtilis  succulents  chumminess  humbleness  trustfulness  customised  customise  colourfulness  sodomise  drunkenness  sustenance  suddenness  gluttonous  cussedness  suffocates  sultriness  bloodlessness  bumptiousness  gutlessness  crumminess  supplements  covenants  voluptuous  supplicants  sumptuousness  subtenants  colourlessness  penultimates  presumptuous  obstructionists  accompanists  rambunctiousness  presumptuousness  constructionists  deconstructionists