Here's what rhymes with abrasivity.
                        
                        
                    
                                activity  creativity  nativity  declivity  festivity  proclivity  acclivity  captivity  relativity  productivity  selectivity  negativity  exclusivity  conductivity  radioactivity  insensitivity  superconductivity  Words that almost rhyme with abrasivity
toxicity  felicity  plasticity  rusticity  elasticity  publicity  simplicity  specificity  domesticity  periodicity  catholicity  infelicity  electricity  complicity  eccentricity  egocentricity  affinity  symmetry  vividly  acidity  asymmetry  chivalry  simile  fixity  rickety  villainy  virility  placidity  finicky  ability  sympathy  dignity  utility  validity  vicinity  divinity  fertility  proximity  tyranny  infinity  rapidity  rigidity  visually  bigotry  civility  minutely  salinity  solidity  symphony  agility  fearfully  fluidity  litany  trinity  cheerily  docility  fitfully  senility  servility  signally  bigamy  billowy  timothy  wittily  fiscally  privily  scurrility  willowy  hostility  ministry  mobility  nobility  officially  cheerfully  humidity  viability  visibly  busily  futility  liquidity  skillfully  timidity  debility  distally  ductility  epitome  fearlessly  fragility  prettily  sublimity  timidly  turbidity  wilfully  ritually  viciously  willfully  dismally  flippancy  frigidity  guiltily  prolixity  tearfully  dizzily  flippantly  stolidity  possibility  efficiency  probability  availability  differently  initially  antiquity  capability  efficiently  feasibility  inherently  morbidity  proficiency  tranquillity  antipathy  facsimile  femininity  religiously  unanimity  volatility  alkalinity  assiduously  indignity  polygamy  sociability  soliloquy  versatility  wistfully  admissibility  amiability  distantly  epiphany  exigency  invalidity  resiliency  coherency  legibility  aborigine  abysmally  diffidently  sufficiently  deficiency  flexibility  conspiracy  reliability  applicability  artificially  sufficiency  adaptability  brilliancy  brilliantly  irritability  persistently  irresistibly  magnanimity  predictably  beneficially  blissfully  calligraphy  hospitably  insistently  invisibly  judicially  listlessly  reversibility  stringency  unofficially  affordability  divisibility  malleability  polyphony  pusillanimity  quizzically  stringently  auspiciously  invincibly  consistently  explicitly  consistency  implicitly  masculinity  susceptibility  acceptability  compatibility  indifferently  indignantly  inefficiency  malignancy  suspiciously  deliciously  improbability  invisibility  incoherently  inefficiently  minstrelsy  unpredictably  ambitiously  fictitiously  responsibility  contingency  delinquency  insufficiency  intermittently  superficially  insufficiently  irresponsibility  surreptitiously  inaccessibility  inviolability  practicability  contingently  indivisibility  inconsistency  expeditiously  inexplicably  inconsistently  impracticability  immunodeficiency