Here's what rhymes with palmum.
                        
                        
                    
                                Words that almost rhyme with palmum
barman  barmen  foreman  foremen  carmine  corpsman  motorman  motormen  longshoreman  balsam  bottom  column  autumn  solemn  awesome  bonum  drachm  possum  problem  blossom  forum  boredom  condom  dorsum  wampum  opossum  thraldom  slalom  thralldom  carom  quantum  decorum  mortem  quorum  sorghum  nostrum  rostrum  flotsam  stardom  foursome  cockscomb  metronome  gastronome  sugarplum  postpartum  falciparum  microcosm  macrocosm