Here's what rhymes with oncogenicity.
                        
                        
                    
                                antigenicity  pathogenicity  carcinogenicity  Words that almost rhyme with oncogenicity
menacingly  tentatively  devilishly  deafeningly  relatively  negatively  embarrassingly  decoratively  comparatively  imperatively  threateningly  questioningly  consecutively  unquestioningly  contemplatively  argumentatively