Here's what rhymes with histogram.
                        
                        
                    
                                gram  lamb  ram  clam  lam  cram  gramme  yam  buckram  glam  diagram  dam  damn  jam  cam  ham  sham  epigram  nam  slam  tam  tram  dram  jamb  pram  scram  wham  centigram  flambe  diaphragm  exam  telegram  swam  hologram  anagram  scam  spam  sonogram  pentagram  kissogram  kilogram  milligram  monogram  cablegram  cofferdam  ideogram  doorjamb  grandam  quondam  hexagram  mammogram  radiogram  cardiogram  diazepam  parallelogram  electrocardiogram  electroencephalogram  Words that almost rhyme with histogram
ran  clan  rang  yang  gran  lang  langue  clang  lan  can  than  man  plan  van  hang  ban  fan  gang  pan  sang  tan  bang  dan  shan  slang  bran  kan  kann  nan  pang  san  tang  chang  dann  fang  gan  dang  flan  prang  scan  span  sprang  harangue  rattan  cyan  japan  outran  saran  rehang  began  caravan  fisherman  sedan  divan  overran  boomerang  bogeyman  shebang  boogeyman  businessman  journeyman  middleman  overhang  catamaran  serviceman  anchorman  turbofan  weatherman  paperhanger  whizzbang  assemblyman  handyman  nurseryman  minivan  radioman  counterman  minuteman  orangutang  newspaperman  pleonasm