Here's what rhymes with carbuncular.
                        
                        
                    
                                Words that almost rhyme with carbuncular
avuncular  muscular  buckler  tunneler  juggler  humbler  subculture  subtler  hustler  shuffler  gunrunner  toughener  junketer  customer  neuromuscular  trumpeter  stomacher  bloodsucker  summoner  intramuscular  frontrunner  stenographer  selenographer