Here's what rhymes with informality.
                        
                        
                    
                                banality  emotionality  venality  personality  rationality  centrality  immorality  seasonality  immortality  functionality  originality  plurality  criminality  intentionality  marginality  illegality  mutuality  principality  temporality  conventionality  eventuality  speciality  bestiality  individuality  impartiality  instrumentality  materiality  sentimentality  punctuality  superficiality  collegiality  technicality  immateriality  proportionality  artificiality  unconventionality  constitutionality  heterosexuality  unconstitutionality  Words that almost rhyme with informality
tenacity  veracity  humanity  tacitly  massively  panicky  thematically  validly  pugnacity  mannishly  radically  sanctity  passively  lavishly  savagely  laughingly  pertinacity  mendacity  invalidly  passingly  snappishly  waggishly  abashedly  raffishly  caddishly  automatically  dramatically  emphatically  mechanically  dynamically  graphically  candidly  classically  schematically  sporadically  tragically  casuistry  dogmatically  fantastically  handedly  placidly  statically  erratically  slavishly  enigmatically  impassively  lastingly  emblematically  idiomatically  pneumatically  inactively  irascibly  unflaggingly  aromatically  monastically  rheumatically  systematically  drastically  organically  sarcastically  attractively  diplomatically  everlastingly  interactively  nostalgically  unabashedly  climatically  symptomatically  axiomatically  chromatically  enchantingly  scholastically  thermostatically  phlegmatically  slantingly  bombastically  evenhandedly  inorganically  highhandedly  operatically  prancingly  enthusiastically  democratically  ecstatically  photographically  proactively  demographically  ethnographically  expansively  aerodynamically  autocratically  biographically  offhandedly  telepathically  outlandishly  exactingly  lithographically  acrobatically  underhandedly  gymnastically  distractedly  outstandingly  topographically  understandingly  problematically  melodramatically  orthographically  typographically  aristocratically  telegraphically  unattractively  retroactively  bureaucratically  ecclesiastically  radioactively  idiosyncratically  pornographically  autobiographically  bibliographically