Words That Rhyme With "Ontario's" :

3 syllables:

areas, areole, arias, ariose, cariole, curios, dariole, Florio's, Koreas, paries, stereos, Syria's, variole

4 syllables:

Algeria's, Averroes, Bavaria's, Bulgaria's, Iberia's, Liberia's, Nigeria's, Peoria's, scenarios