Here's what rhymes with polyketones.
ketones Words that almost rhyme with polyketones
keystones kilos vetoes keyholes cheekbones chinos peepholes meows freestones negroes mosquitoes depots casinos amigos mosquitos merinos reechoes peepshows refolds lidos redoes torpedoes barrios freeholds leaseholds jalapenos cachepots steamrolls maraschinos mestizos neutrinos placebos tuxedos cappuccinos tuxedoes supremos superheroes