Here's what rhymes with impotentiam.
                        
                        
                    
                                Words that almost rhyme with impotentiam
attention  tension  pension  gentian  mention  detention  ascension  dimension  contention  hypertension  retention  suspension  dissension  distension  pretension  declension  extension  convention  invention  prevention  condescension  lengthen  apprehension  strengthen  comprehension  reinvention  reprehension  misapprehension  incomprehension  denim  venom  addendum  plenum  bedlam  phenom  seldom  welcome  rectum  septum  harem  interregnum  vellum  velum  jetsam  bubblegum  webcam  spectrum  momentum  unwelcome  antebellum  flagellum  plectrum  envenom  referendum  cerebellum  antiserum