Here's what rhymes with muffledup.
                        
                        
                    
                                Words that almost rhyme with muffledup
letup  credit  headed  setup  threaded  wedded  shredded  ketchup  accredit  catsup  unleaded  rewedded  fetid  petted  hotheaded  muddleheaded  fatheaded  discredit  bareheaded  foetid  lightheaded  noncredit  indebted  intrepid  curettage  boneheaded  checkup  flareup  sarape  develop  envelop  redevelop  overdevelop