Oddity rhymes with:
commodity, absurdity, acidity, commodity, fluidity, heredity, humidity, liquidity, morbidity, rapidity, rigidity, solidity, superfluidity, timidity, turbidity, validity
Oddity sounds like:
o'day, o'dea, o'dowd, oad, oat, oath, oathout, oda, oday, odd, oddi, oddy, ode, odea, oded, odette, odowd, ot, ota, otey, otha, ott, ottawa, ottaway, otte, otto, out, outdate, outdated, outdid, outdo, outed, outta, outwit, outwitted, owada, owed